{"product_id":"crushed-bluff-oyster-shells-calcium-carbonate-chitin","title":"Crushed Bluff Oyster Shells (calcium carbonate + Chitin)","description":"\u003cp\u003eCrushed Bluff Oyster Shells (calcium carbonate + Chitin)\u003c\/p\u003e\n\u003cp\u003eis a high-quality crushed product crafted for professional growers and home gardeners alike. It improves plant health, soil biology, and long-term sustainability in organic systems.\u003c\/p\u003e\n\u003cp\u003eFunction:\u003c\/p\u003e\n\u003cp\u003eSee original product listing below for complete nutrient breakdown and application instructions.\u003c\/p\u003e\n\u003cp\u003eCalcium And Chitin\u003c\/p\u003e\n\u003cp\u003eCrushed Bluff Oyster Shells composition is around 95% calcium carbonate. This is a great substitute to use for Ag lime with a number of other nutrients and micronutrients!\u003c\/p\u003e\n\u003cp\u003eBulk is available in 500kg and 1000kg quantities, email us at store@seaclifforganics.nz for a quote!\u003c\/p\u003e\n\u003cp\u003eRecommended Usage:\u003c\/p\u003e\n\u003cp\u003eOyster shells will increase pH - Use a pH meter to keep your pH between 6.2-7.2\u003c\/p\u003e\n\u003cp\u003eNitrogen (N)\u003c\/p\u003e\n\u003cp\u003e0.00%\u003c\/p\u003e\n\u003cp\u003ePhosphorus (P)\u003c\/p\u003e\n\u003cp\u003e0.00%\u003c\/p\u003e\n\u003cp\u003ePotassium (K)\u003c\/p\u003e\n\u003cp\u003e0.00%\u003c\/p\u003e\n\u003cp\u003eSulfur (S)\u003c\/p\u003e\n\u003cp\u003e0.00%\u003c\/p\u003e\n\u003cp\u003eCalcium (Ca)\u003c\/p\u003e\n\u003cp\u003e36.50%\u003c\/p\u003e\n\u003cp\u003eMagnesium (Mg)\u003c\/p\u003e\n\u003cp\u003e0.30%\u003c\/p\u003e\n\u003cp\u003eSodium (Na)\u003c\/p\u003e\n\u003cp\u003e0.30%\u003c\/p\u003e\n\u003cp\u003eIron (Fe)\u003c\/p\u003e\n\u003cp\u003e0.06%\u003c\/p\u003e\n\u003cp\u003eCopper (Cu)\u003c\/p\u003e\n\u003cp\u003e2.8 ppm\u003c\/p\u003e\n\u003cp\u003eManganese (Mn)\u003c\/p\u003e\n\u003cp\u003e14 ppm\u003c\/p\u003e\n\u003cp\u003eZinc (Zn)\u003c\/p\u003e\n\u003cp\u003e7.7 ppm\u003c\/p\u003e\n\u003cp\u003eBoron (B)\u003c\/p\u003e\n\u003cp\u003e20 ppm\u003c\/p\u003e\n\u003cp\u003eCobalt (Co)\u003c\/p\u003e\n\u003cp\u003e\u0026lt;1 ppm\u003c\/p\u003e\n\u003cp\u003eMolybdenum (Mo)\u003c\/p\u003e\n\u003cp\u003e4 ppm\u003c\/p\u003e\n\u003cp\u003eSelenium (Se)\u003c\/p\u003e\n\u003cp\u003e\u0026lt;10 ppm\u003c\/p\u003e","brand":"The Good Soil Company Ltd","offers":[{"title":"2kg","offer_id":50506494116058,"sku":null,"price":19.5,"currency_code":"NZD","in_stock":true},{"title":"4kg","offer_id":50506494148826,"sku":null,"price":31.0,"currency_code":"NZD","in_stock":true},{"title":"10kg","offer_id":50506494181594,"sku":null,"price":62.0,"currency_code":"NZD","in_stock":true},{"title":"25kg","offer_id":50506494214362,"sku":null,"price":120.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/4734\/5370\/files\/CrushedOystershell_69a1d1a3-0612-465e-bd2d-a542d6dcb87e.jpg?v=1790297680","url":"https:\/\/goodsoil.co.nz\/products\/crushed-bluff-oyster-shells-calcium-carbonate-chitin","provider":"The Good Soil Company Ltd","version":"1.0","type":"link"}