{"title":"Other amendments","description":"\u003cp\u003eSulphur, silicon, zeolite, biochar, worm castings and frass: the inputs that fix structure, pH or biology rather than one nutrient.\u003c\/p\u003e","products":[{"product_id":"bio-char","title":"Bio-Char","description":"\u003ch2\u003eBio-Char\u003c\/h2\u003e\n\u003cp class=\"sc-lede\"\u003eBio-Char is a chunky charcoal made for soil: a porous carbon that holds water, nutrients and microbes inside a potting mix or living soil. Add 5 to 10% to a mix, charged first so it starts full rather than empty.\u003c\/p\u003e\n\u003ch3\u003eAt a glance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eType: media, soil carbon and microbial habitat\u003c\/li\u003e\n\u003cli\u003eGrade: chunky\u003c\/li\u003e\n\u003cli\u003eUse for: potting mix, living soil, compost\u003c\/li\u003e\n\u003cli\u003eRate: 5 to 10% of the potting mix\u003c\/li\u003e\n\u003cli\u003eBulk: 500 kg and 1000 kg; email \u003ca href=\"mailto:store@seaclifforganics.nz\"\u003estore@seaclifforganics.nz\u003c\/a\u003e for a quote\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eBio-char is wood or plant material heated without oxygen until only a stable, porous carbon is left. This is a chunky product. It has a very high internal surface area; grinding it finer does not increase the total surface area (the BET measure), it only changes the particle size, so we leave it coarse. It is the charged bio-char in our \u003ca href=\"\/products\/seacliff-organics-living-soil-1\"\u003eLiving Soil v2\u003c\/a\u003e and \u003ca href=\"\/products\/super-coco\"\u003eSuper Coco\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eWhat it does\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAbsorbs and adsorbs nutrients and water on its large internal surface and releases them back to the soil over time.\u003c\/li\u003e\n\u003cli\u003eIts pores are a habitat for beneficial microorganisms, protected from drying and grazing.\u003c\/li\u003e\n\u003cli\u003eIt does not break down, so it stays in a recycled soil grow after grow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUse 5 to 10% bio-char in your potting mix.\u003c\/li\u003e\n\u003cli\u003eCharge it before use: add it uncharged to a compost pile, where it pulls in nutrients and microbes for later, or soak it in a nutrient or compost tea. Charged bio-char is already loaded with microbes and nutrients when it goes into the mix.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWatch out\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUncharged bio-char pulls nutrients out of the mix around it until it is loaded. Charge it first, or expect the mix to feed the char before it feeds the plant.\u003c\/li\u003e\n\u003cli\u003eMost bio-chars are alkaline. Check mix pH if you use a lot.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLearn more in fifteen seconds\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/soil-science#sc-01-2-biology\"\u003eSoil biology\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/soil-science#sc-58-cec-pantry\"\u003eCEC: how big is your pantry\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/soil-science#sc-02-4-soil-structure\"\u003eSoil structure\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and storage\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWear a mask to avoid inhaling particles and open the bag in a well ventilated area.\u003c\/li\u003e\n\u003cli\u003eWear gloves and eye protection, and wash hands after use.\u003c\/li\u003e\n\u003cli\u003eOnce opened, keep the bag sealed and dry.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eShipping and returns\u003c\/h3\u003e\n\u003cp\u003eWe ship nationwide across New Zealand. Orders are usually dispatched within 1 to 2 business days and rural delivery can take longer. Unopened products can be returned within 30 days.\u003c\/p\u003e\n","brand":"Seacliff Organics","offers":[{"title":"10L","offer_id":32583601619049,"sku":"SCOBIOC100L","price":34.9,"currency_code":"NZD","in_stock":true},{"title":"25L","offer_id":32583601651817,"sku":"SCOBIOC250L","price":79.9,"currency_code":"NZD","in_stock":true},{"title":"1\/2 Cube (500L)","offer_id":39767976738839,"sku":"SCOBIOCHALFCUBE","price":800.0,"currency_code":"NZD","in_stock":true},{"title":"Cube (1000L)","offer_id":39768000266263,"sku":"SCOBIOCCUBE","price":1500.0,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/9104\/0361\/files\/SeacliffMockBags-Bio-Char1WM.jpg?v=1747707991"},{"product_id":"worm-castings","title":"Worm Castings","description":"\u003ch2\u003eWorm Castings\u003c\/h2\u003e\n\u003cp class=\"sc-lede\"\u003eWorm castings (vermicast) are the manure of composting worms: fresh, New Zealand produced castings full of soil biology for any soil growing a heavy feeding, annually flowering plant. A simple way to add biodiversity and slow nutrients to your soil.\u003c\/p\u003e\n\u003ch3\u003eAt a glance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eType: amendment and media, biological soil input\u003c\/li\u003e\n\u003cli\u003eUse for: soil mixes, top dressing, compost tea\u003c\/li\u003e\n\u003cli\u003eRate: 15 to 20% of a soil mix; top dress 25 to 50 mm; tea 2 cups per 20 L of water\u003c\/li\u003e\n\u003cli\u003eBulk: 500 kg and 1000 kg; email \u003ca href=\"mailto:store@seaclifforganics.nz\"\u003estore@seaclifforganics.nz\u003c\/a\u003e for a quote\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eVermicast is what is left after composting worms digest organic matter: fine, dark, crumbly and alive with bacteria, fungi and the small animals that graze them. Ours is New Zealand produced and supplied fresh. It is the castings in our \u003ca href=\"\/products\/seacliff-organics-living-soil-1\"\u003eLiving Soil v2\u003c\/a\u003e, \u003ca href=\"\/products\/seacliff-organics-superior-potting-mix\"\u003eSuperior Potting Mix\u003c\/a\u003e and \u003ca href=\"\/products\/seacliff-organics-seed-raising-mix\"\u003eSeed Raising Mix v2\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eWhat it does\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrings a diverse living biology into a mix, which is the part of a living soil that a bag of minerals cannot supply.\u003c\/li\u003e\n\u003cli\u003eHolds water and nutrients, and releases nutrients slowly as the biology turns over.\u003c\/li\u003e\n\u003cli\u003eMakes an active compost tea when bubbled with molasses.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSoil media: use 15 to 20% worm castings in the mix.\u003c\/li\u003e\n\u003cli\u003eTop dressing: apply enough to make a 25 to 50 mm layer, at any time.\u003c\/li\u003e\n\u003cli\u003eCompost tea: 2 cups of worm castings to 20 litres of water. Add one tablespoon of molasses and bubble with a high volume air pump for 36 hours.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWatch out\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCastings are a biological input, not a measured fertiliser. Nutrient content varies with what the worms were fed, so dose minerals from a test, not from the castings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLearn more in fifteen seconds\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/soil-science#sc-01-2-biology\"\u003eSoil biology\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/soil-science#sc-79-the-poop-loop\"\u003eThe poop loop\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/soil-science#sc-07-just-add-compost\"\u003eJust add compost\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and storage\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWear a mask to avoid inhaling particles and open the bag in a well ventilated area.\u003c\/li\u003e\n\u003cli\u003eWear gloves and eye protection, and wash hands after use.\u003c\/li\u003e\n\u003cli\u003eOnce opened, keep the bag sealed and dry.\u003c\/li\u003e\n\u003cli\u003eIf ingested, or if the product gets into the eyes or irritates the skin, rinse the area well and call the National Poisons Centre on 0800 POISON (0800 764 766).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eShipping and returns\u003c\/h3\u003e\n\u003cp\u003eWe ship nationwide across New Zealand. Orders are usually dispatched within 1 to 2 business days and rural delivery can take longer. Unopened products can be returned within 30 days.\u003c\/p\u003e\n","brand":"Seacliff Organics","offers":[{"title":"10L","offer_id":39265854062615,"sku":"SCOWOCA10L","price":23.5,"currency_code":"NZD","in_stock":true},{"title":"30L","offer_id":33030099468311,"sku":"SCOWOCA20KG","price":56.9,"currency_code":"NZD","in_stock":true},{"title":"1m3 (1000L)","offer_id":33037789757463,"sku":"SCOVERM","price":800.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/9104\/0361\/files\/SeacliffMockBags-WormCastings1WM.jpg?v=1747707989"},{"product_id":"potassium-silicate","title":"Potassium Silicate","description":"\u003ch2\u003ePotassium Silicate\u003c\/h2\u003e\n\u003cp class=\"sc-lede\"\u003ePotassium Silicate is a water soluble silica and potassium powder, 53.00% SiO\u003csub\u003e2\u003c\/sub\u003e (24.8% silicon) and 32.00% K\u003csub\u003e2\u003c\/sub\u003eO (26.6% potassium). It suits growers who want to add plant available silicon to irrigation water or foliar sprays, raise the pH of their water, or emulsify neem oil for pest sprays.\u003c\/p\u003e\n\u003ch3\u003eAt a glance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eType: soluble mineral salt (silicon and potassium)\u003c\/li\u003e\n\u003cli\u003eOrganic input status: not certified; a manufactured input. \u003ca href=\"\/pages\/organic-certificates#potassium-silicate\"\u003eSee the note on its organic status\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eAnalysis: NPK = 0 - 0 - 32 (N, P\u003csub\u003e2\u003c\/sub\u003eO\u003csub\u003e5\u003c\/sub\u003e, K\u003csub\u003e2\u003c\/sub\u003eO); silica 53.00% (24.8% Si); potassium 26.6% elemental\u003c\/li\u003e\n\u003cli\u003eUse for: soluble silicon in irrigation or foliar sprays; raising water pH; emulsifying neem oil\u003c\/li\u003e\n\u003cli\u003eRate: make a concentrate of 148 g per litre of water, then use half a teaspoon of concentrate per 10 litres as a foliar spray\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003ePotassium silicate is one of the few forms of silica that dissolves in water, which is what makes it useful for irrigation and foliar use. Many liquid silica products are potassium silicate dissolved in water; our \u003ca href=\"\/products\/seacliff-organics-liquid-potassium-silicate-1l\"\u003eLiquid Potassium Silicate\u003c\/a\u003e is this powder at 148 g per litre. It is not the same as insoluble silica powders such as diatomaceous earth or rock dust, which release silicon slowly if at all.\u003c\/p\u003e\n\u003ch3\u003eWhat it does\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSupplies silicon in the soluble form plants take up. Silicon is laid down in cell walls and stems, hardening them, and growers use it for sturdier plants and some resistance to mildew and stress. Build it in early.\u003c\/li\u003e\n\u003cli\u003eSupplies potassium, 26.6% as the element.\u003c\/li\u003e\n\u003cli\u003eThe solution is strongly alkaline, so it is the usual way to raise the pH of irrigation water or a nutrient solution.\u003c\/li\u003e\n\u003cli\u003eWorks as an emulsifier: it lets neem oil mix into water for pest management sprays.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAnalysis\u003c\/h3\u003e\n\u003cp\u003eNPK = 0 - 0 - 32 (N, P\u003csub\u003e2\u003c\/sub\u003eO\u003csub\u003e5\u003c\/sub\u003e, K\u003csub\u003e2\u003c\/sub\u003eO); elemental potassium 26.6%\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSilica (SiO\u003csub\u003e2\u003c\/sub\u003e) 53.00% (24.8% Si, elemental)\u003c\/li\u003e\n\u003cli\u003ePotassium (K\u003csub\u003e2\u003c\/sub\u003eO) 32.00% (26.6% K, elemental)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConcentrate: dissolve 148 g in 1 litre of water to make a 7.8% liquid solution (7.8% SiO\u003csub\u003e2\u003c\/sub\u003e w\/v) that you can store and dose from.\u003c\/li\u003e\n\u003cli\u003eFoliar spray: half a teaspoon of concentrate per 10 litres of water.\u003c\/li\u003e\n\u003cli\u003eNeem oil emulsifier: add 3 g of potassium silicate to 30 ml of neem oil, then mix into 10 litres of water to make the final spray. Spray once a week over all plant surfaces until it runs off.\u003c\/li\u003e\n\u003cli\u003eSoil drench: use the same concentrate, diluted, through irrigation; see the Liquid Potassium Silicate page for the soil rate (2.5 to 5 ml of liquid per 10 litres).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWatch out\u003c\/h3\u003e\n\u003cp\u003ePotassium silicate is strongly alkaline. Wear gloves and eye protection when making the concentrate, add the powder to the water and not the other way round, and check the pH of the final spray or feed before it goes on; a strong solution will burn leaves and push a soil or nutrient solution well above target. Do not mix it concentrated with acids or with calcium or magnesium salts, which precipitate it out. Test a few leaves first.\u003c\/p\u003e\n\u003ch3\u003eLearn more in fifteen seconds\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/soil-science#sc-54-silicon\"\u003eSilicon: what it does\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/soil-science#sc-30-soil-ph-water-ph\"\u003eSoil pH, water pH: how to move it\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and storage\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWear a mask to avoid inhaling particles and open in a well ventilated area.\u003c\/li\u003e\n\u003cli\u003eWear gloves and eye protection, and wash hands after use.\u003c\/li\u003e\n\u003cli\u003eOnce opened, keep sealed and dry.\u003c\/li\u003e\n\u003cli\u003eIf ingested, or if the product comes into contact with eyes or skin irritation is present, rinse the area well and call the National Poisons Centre on 0800 POISON (0800 764 766).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eShipping and returns\u003c\/h3\u003e\n\u003cp\u003eWe ship nationwide across New Zealand. Orders are usually dispatched within 1 to 2 business days and rural delivery can take longer. Unopened products can be returned within 30 days.\u003c\/p\u003e\n","brand":"Seacliff Organics","offers":[{"title":"250g","offer_id":39383996530711,"sku":"HMLSILCO250g","price":34.9,"currency_code":"NZD","in_stock":true},{"title":"1kg","offer_id":39383996596247,"sku":"HMLSILCO1kg","price":99.9,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/9104\/0361\/products\/Agsil16H_cee17f24-f22c-44f3-864b-4ce5e625368a.jpg?v=1635819562"},{"product_id":"seacliff-organics-liquid-potassium-silicate-1l","title":"Seacliff Organics Liquid Potassium Silicate","description":"\u003ch2\u003eLiquid Potassium Silicate\u003c\/h2\u003e\n\u003cp class=\"sc-lede\"\u003eLiquid Potassium Silicate is a concentrated solution of soluble silica and potassium, 7.8% SiO\u003csub\u003e2\u003c\/sub\u003e (3.6% silicon) and 4.7% K\u003csub\u003e2\u003c\/sub\u003eO (3.9% potassium) w\/v, ready to dose into irrigation water or foliar sprays. It suits growers who want plant available silicon without mixing the powder themselves.\u003c\/p\u003e\n\u003ch3\u003eAt a glance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eType: liquid mineral concentrate (silicon and potassium), 1 litre\u003c\/li\u003e\n\u003cli\u003eOrganic input status: not certified; a manufactured input. \u003ca href=\"\/pages\/organic-certificates#potassium-silicate\"\u003eSee the note on its organic status\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eAnalysis: silica 7.8% w\/v (3.6% Si); potassium 4.7% K\u003csub\u003e2\u003c\/sub\u003eO w\/v (3.9% K)\u003c\/li\u003e\n\u003cli\u003eUse for: soluble silicon in irrigation water and foliar sprays; raising water pH\u003c\/li\u003e\n\u003cli\u003eRate: soil 2.5 to 5 ml per 10 litres of water; foliar 2.5 ml per 10 litres\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eThis is our \u003ca href=\"\/products\/potassium-silicate\"\u003epotassium silicate powder\u003c\/a\u003e dissolved in water at 148 g per litre, made up here at Seacliff. Potassium silicate is one of the few forms of silica that dissolves in water, so the silicon in this bottle is in the form roots and leaves can take up straight away.\u003c\/p\u003e\n\u003ch3\u003eWhat it does\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSupplies silicon in soluble form. Silicon is laid down in cell walls and stems, hardening them. Growers use it for sturdier plants, some resistance to mildew, and better tolerance of heat and water stress. Build it in early; it does not move once deposited.\u003c\/li\u003e\n\u003cli\u003eSupplies a small amount of potassium, 3.9% as the element.\u003c\/li\u003e\n\u003cli\u003eThe solution is alkaline, so a small dose raises the pH of irrigation water or a nutrient solution.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAnalysis\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePotassium (K\u003csub\u003e2\u003c\/sub\u003eO) 4.7% w\/v (3.9% K, elemental)\u003c\/li\u003e\n\u003cli\u003eSilica (SiO\u003csub\u003e2\u003c\/sub\u003e) 7.8% w\/v (3.6% Si, elemental)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSoil applications: 2.5 to 5 ml of solution per 10 litres of water.\u003c\/li\u003e\n\u003cli\u003eFoliar spray: 2.5 ml of solution per 10 litres of water. Wet both sides of the leaf, with the lights off or in the cool of the day.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWatch out\u003c\/h3\u003e\n\u003cp\u003eThe concentrate is strongly alkaline: wear gloves and eye protection and keep it off skin. Always dilute it, and check the pH of the final feed or spray before it goes on, because even the label rate will push soft water above target. Do not mix the concentrate with acids or with calcium or magnesium salts, which precipitate the silicate; add it to the full volume of water last. Test a few leaves first.\u003c\/p\u003e\n\u003ch3\u003eLearn more in fifteen seconds\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/soil-science#sc-54-silicon\"\u003eSilicon: what it does\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/soil-science#sc-30-soil-ph-water-ph\"\u003eSoil pH, water pH: how to move it\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/soil-science#sc-31-foliar-feeding\"\u003eFoliars: fast fixes, then the soil\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and storage\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWear gloves and eye protection, and wash hands after use.\u003c\/li\u003e\n\u003cli\u003eOnce opened, keep sealed and stored out of direct sunlight.\u003c\/li\u003e\n\u003cli\u003eIf ingested, or if the product comes into contact with eyes or skin irritation is present, rinse the area well and call the National Poisons Centre on 0800 POISON (0800 764 766).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eShipping and returns\u003c\/h3\u003e\n\u003cp\u003eWe ship nationwide across New Zealand. Orders are usually dispatched within 1 to 2 business days and rural delivery can take longer. Unopened products can be returned within 30 days.\u003c\/p\u003e\n","brand":"Seacliff Organics","offers":[{"title":"1L","offer_id":40514988015639,"sku":"SCOLIQPOTSIL1L","price":30.0,"currency_code":"NZD","in_stock":true},{"title":"5L","offer_id":40514988048407,"sku":"SCOLIQPOTSIL5L","price":130.0,"currency_code":"NZD","in_stock":true},{"title":"20L","offer_id":40856796004375,"sku":"SCOLIQPOTSIL20L","price":479.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/9104\/0361\/products\/SeacliffLiquidsLiquidPotassiumSilicate1_Seacliff.jpg?v=1670547860"},{"product_id":"elemental-sulphur-organic-certified","title":"Elemental Sulphur","description":"\u003ch2\u003eElemental Sulphur\u003c\/h2\u003e\n\u003cp class=\"sc-lede\"\u003eElemental Sulphur is a slow release sulphur pastille, at least 90% sulphur, used to lower soil pH over time and to supply sulphur. It suits growers who need to bring an alkaline soil down to target from a soil test.\u003c\/p\u003e\n\u003ch3\u003eAt a glance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eType: soil amendment (granular pastille)\u003c\/li\u003e\n\u003cli\u003eSupplier certificate on file: BioGro licence 297. \u003ca href=\"\/pages\/organic-certificates#elemental-sulphur-organic-certified\"\u003eSee the certificate and its dates\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eAnalysis: at least 90% elemental sulphur\u003c\/li\u003e\n\u003cli\u003eUse for: lowering soil pH slowly; supplying sulphur\u003c\/li\u003e\n\u003cli\u003eRate: 50 g per square metre to lower pH; 20 to 30 g per square metre for maintenance (guideline only, check your soil pH)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003ch3\u003eWhat it does\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSoil bacteria oxidise elemental sulphur to sulphate, and that process releases acid, so the soil pH falls slowly over months. This is how growers bring an alkaline or over limed soil down to target.\u003c\/li\u003e\n\u003cli\u003eThe sulphate produced is the form plants take up. Sulphur is used for proteins, oils and flavour compounds, and deficiency shows as pale young leaves.\u003c\/li\u003e\n\u003cli\u003eGetting pH into the right range (Dan runs living soil at 6.2 to 7.2, target 6.6) keeps most nutrients available to roots.\u003c\/li\u003e\n\u003cli\u003eThe pastille form releases over the season, so it does not need frequent reapplication.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAnalysis\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eElemental sulphur (S) at least 90%\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSoil application: 50 g per square metre (guideline only, check your soil pH and adjust as necessary).\u003c\/li\u003e\n\u003cli\u003eMaintenance: 20 to 30 g per square metre (guideline only, check your soil pH and adjust as necessary).\u003c\/li\u003e\n\u003cli\u003eApply as required using a soil test, or add incrementally while testing soil pH until you reach your target.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWatch out\u003c\/h3\u003e\n\u003cp\u003eElemental sulphur works through soil bacteria, so it is slow (months, not days) and slower still in cold or dry soil. Do not use it to supply sulphur quickly; use a sulphate such as \u003ca href=\"\/products\/gypsum-solution-grade-1\"\u003egypsum\u003c\/a\u003e or \u003ca href=\"\/products\/magnesium-sulfate-epsom-salts\"\u003emagnesium sulphate\u003c\/a\u003e for that. Because the pH drop is delayed, it is easy to overshoot: add in steps, wait, and retest before adding more. Do not use it on soil that is already in range.\u003c\/p\u003e\n\u003ch3\u003eLearn more in fifteen seconds\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/soil-science#sc-47-sulphur\"\u003eSulphur: what it does\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/soil-science#sc-30-soil-ph-water-ph\"\u003eSoil pH, water pH: how to move it\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWe offer a \u003ca href=\"\/products\/soil-test-interpretation\"\u003esoil prescription service\u003c\/a\u003e, see \u003ca href=\"\/pages\/where-to-test-your-soil\"\u003ewhere to test your soil\u003c\/a\u003e, or email us at store@seaclifforganics.nz for more information about the services we provide.\u003c\/p\u003e\n\u003ch3\u003eHandling and storage\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWear a mask to avoid inhaling particles and open in a well ventilated area.\u003c\/li\u003e\n\u003cli\u003eWear gloves and eye protection, and wash hands after use.\u003c\/li\u003e\n\u003cli\u003eOnce opened, keep sealed and dry.\u003c\/li\u003e\n\u003cli\u003eIf ingested, or if the product comes into contact with eyes or skin irritation is present, rinse the area well and call the National Poisons Centre on 0800 POISON (0800 764 766).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eShipping and returns\u003c\/h3\u003e\n\u003cp\u003eWe ship nationwide across New Zealand. Orders are usually dispatched within 1 to 2 business days and rural delivery can take longer. Unopened products can be returned within 30 days.\u003c\/p\u003e\n","brand":"Seacliff Organics","offers":[{"title":"1kg","offer_id":40633822674967,"sku":"SCOELESUL1kg","price":9.5,"currency_code":"NZD","in_stock":true},{"title":"4kg","offer_id":40633822707735,"sku":"SCOELESUL4kg","price":21.0,"currency_code":"NZD","in_stock":true},{"title":"10kg","offer_id":40633822740503,"sku":"SCOELESUL10kg","price":45.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/9104\/0361\/files\/SeacliffMockBags-ElementalSulphur1WM.jpg?v=1729134478"},{"product_id":"silica-cal-pro","title":"Calsil Boost (wollastonite )","description":"\u003ch2\u003eCalsil Boost (wollastonite)\u003c\/h2\u003e\n\u003cp class=\"sc-lede\"\u003eCalsil Boost is ground wollastonite, a natural calcium silicate mineral that supplies silicon and calcium to soil and potting mixes. Growers use it to build silicon into plants early for stronger stems and cell walls, with a mild liming effect as a passenger.\u003c\/p\u003e\n\u003ch3\u003eAt a glance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eType: amendment (calcium silicate, wollastonite)\u003c\/li\u003e\n\u003cli\u003eAnalysis: calcium silicate; a pure mineral is 34% calcium and 24% silicon, natural grades run lower (batch sheet on request)\u003c\/li\u003e\n\u003cli\u003eUse for: silicon and calcium in soil, potting mixes and compost\u003c\/li\u003e\n\u003cli\u003eRate: 100 g (half a cup) per square metre of garden or field soil\u003c\/li\u003e\n\u003cli\u003eForm: powder\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eWollastonite is calcium silicate (CaSiO\u003csub\u003e3\u003c\/sub\u003e): a pure mineral is 48% CaO and 52% SiO\u003csub\u003e2\u003c\/sub\u003e, which is 34% calcium and 24% silicon as elements; natural grades run lower, so ask us for the current batch sheet. Rich in calcium and silicon for stronger plant structures.\u003c\/p\u003e\n\u003ch3\u003eWhat it does\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSilicon hardens cell walls and stems and helps plants resist mildew and stress. It is taken up as the mineral dissolves, so build it in early rather than at the end.\u003c\/li\u003e\n\u003cli\u003eCalcium builds cell walls and root tips. It is immobile in the plant, so a shortage shows first as twisted new growth.\u003c\/li\u003e\n\u003cli\u003eCalcium silicate also neutralises soil acid, at roughly 60 to 90% of the strength of calcium carbonate by weight, so count it as part of your liming.\u003c\/li\u003e\n\u003cli\u003eWollastonite releases silicon far faster than basalt or andesite rock dust, which makes it the more direct silicon tool.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSoil amendment, gardens and field: 100 g (half a cup) per square metre. Mix into the soil before planting, or top dress as needed.\u003c\/li\u003e\n\u003cli\u003ePotting mixes: 15 g (one tablespoon) per 4 L of soil or media, mixed through.\u003c\/li\u003e\n\u003cli\u003eComposting: 50 g (a quarter of a cup) per 28 L of compost material. Mix well for even distribution.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWatch out\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIt raises pH. If pH is already at the top of your range (we run living soil at 6.2 to 7.2), count the lime effect before adding it.\u003c\/li\u003e\n\u003cli\u003eEvery dose adds calcium. Read the calcium line on your soil test, not just pH.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLearn more in fifteen seconds\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/soil-science#sc-54-silicon\"\u003eSilicon: what it does\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/soil-science#sc-45-calcium\"\u003eCalcium: what it does\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/soil-science#sc-60-ph-is-not-a-calcium-test\"\u003epH is not a calcium test\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and storage\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWear a mask to avoid inhaling particles and open the bag in a well ventilated area.\u003c\/li\u003e\n\u003cli\u003eWear gloves and eye protection, and wash hands after use.\u003c\/li\u003e\n\u003cli\u003eOnce opened, keep sealed and dry.\u003c\/li\u003e\n\u003cli\u003eIf swallowed, or if the product gets into the eyes or irritates the skin, rinse the area well and call the National Poisons Centre on 0800 POISON (0800 764 766).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eShipping and returns\u003c\/h3\u003e\n\u003cp\u003eWe ship nationwide across New Zealand. Orders are usually dispatched within 1 to 2 business days and rural delivery can take longer. Unopened products can be returned within 30 days.\u003c\/p\u003e","brand":"Seacliff Organics","offers":[{"title":"500g","offer_id":41705681584151,"sku":"SCOCALSIL50","price":18.0,"currency_code":"NZD","in_stock":true},{"title":"2kg","offer_id":41705681616919,"sku":"SCOCALSIL2","price":70.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/9104\/0361\/files\/gypsum_886318a3-0b21-4af3-ae61-e7704f730375.jpg?v=1747707672"}],"url":"https:\/\/seaclifforganics.nz\/collections\/amendments-other.oembed","provider":"Seacliff Organics","version":"1.0","type":"link"}