{"product_id":"rockwool-block-covers-4-pack-of-40","title":"Rockwool Block Covers, 4\", Pack of 40","description":"\u003cp\u003e PLASTIC BLOCK COVERS Reflect light to plant leaves, where it’s needed most. Block light from media. Eliminate algae and mildew growth. 40 dual sided block covers per pack. Works great with GRODAN Blocks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBlock light from media\u003c\/li\u003e\n  \u003cli\u003eReflect light to plant leaves where it's needed most\u003c\/li\u003e\n  \u003cli\u003eEliminate algae and mildew growth\u003c\/li\u003e\n  \u003cli\u003e40 dual-sided block covers per pack\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hydrofarm","offers":[{"title":"Default Title","offer_id":58454260482351,"sku":"400000005744","price":15.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/HGCOV4_1.jpg?v=1789151499","url":"https:\/\/mattshydroponics.com\/products\/rockwool-block-covers-4-pack-of-40","provider":"Matt’s Hydroponics","version":"1.0","type":"link"}