{"product_id":"horticultural-charcoal-drainage-substrate-1-gallon-terrarium-and-houseplants","title":"Horticultural Charcoal - Drainage - Substrate - 1 gallon - Terrarium and Houseplants","description":"\u003cdiv\u003e\n\u003cp\u003eHorticultural charcoal improves drainage and creates a stable base layer in both open and closed terrariums as well as potted houseplants. Its porous structure lets excess water move freely away from roots while still holding enough moisture to support consistent substrate conditions.\u003c\/p\u003e\n\u003cp\u003eThe 1-gallon bag supplies enough material for several small-to-medium projects, whether you’re building a new moss terrarium, refreshing an existing bioactive setup, or adding a drainage tier to houseplant containers. Because it is processed specifically for horticultural use, it contains no additives that could alter soil chemistry or harm sensitive roots.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eForms an effective drainage layer that reduces waterlogging around plant roots\u003c\/li\u003e\n\u003cli\u003eProvides a neutral, supportive substrate foundation that works beneath moss, soil mixes, or bark\u003c\/li\u003e\n\u003cli\u003eSuitable for tropical, arid, and temperate terrarium designs alike\u003c\/li\u003e\n\u003cli\u003eWorks equally well in the bottom of cachepots or directly in houseplant soil blends\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOne bag covers multiple setups, so you can keep a consistent material on hand for routine plant care or new builds without repurchasing small packages each time.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"flowerhint","offers":[{"title":"Default Title","offer_id":42732301910103,"sku":null,"price":18.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/8240\/5463\/files\/d2320e12c33be689023f0f28cc5433b8.jpg?v=1777403761","url":"https:\/\/www.flowerhint.com\/products\/horticultural-charcoal-drainage-substrate-1-gallon-terrarium-and-houseplants","provider":"Flowerhint","version":"1.0","type":"link"}