{"product_id":"gypsum-for-mushroom-substrates","title":"Gypsum for mushroom substrates","description":"\u003cp\u003eGypsum is the unsung hero of mushroom cultivation! This calcium sulphate powerhouse strengthens your substrate structure, preventing it from turning into a soggy mess while your fungi friends colonize. It also boosts calcium levels, promoting robust fruiting bodies and healthier yields. Whether you're growing oysters, shiitake, or lion's mane, a sprinkle of gypsum keeps your substrate perfectly balanced—firm enough to support growth, yet breathable enough for optimal colonization. Give your mushrooms the structural support they deserve!\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003e.\u003c\/span\u003e\u003c\/p\u003e","brand":"westcoastmushrooms","offers":[{"title":"100g","offer_id":56831362564478,"sku":null,"price":4.99,"currency_code":"GBP","in_stock":true},{"title":"250g","offer_id":56831362597246,"sku":null,"price":5.99,"currency_code":"GBP","in_stock":true},{"title":"500g","offer_id":56831362630014,"sku":null,"price":6.99,"currency_code":"GBP","in_stock":true},{"title":"1 kg","offer_id":56831362662782,"sku":null,"price":9.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/3477\/2606\/files\/ADP2861.jpg?v=1778615903","url":"https:\/\/westcoastmushrooms.co.uk\/products\/gypsum-for-mushroom-substrates","provider":"West Coast Mushrooms","version":"1.0","type":"link"}