{"product_id":"mdpqt-20-qt-horticultural-perlite-vermiculite-professional-grade-lightweight-drainage-boost","title":"MDPQT 20 QT Horticultural Perlite \u0026 Vermiculite — Professional Grade, Lightweight Drainage Boost","description":"\u003cp\u003e\u003cstrong\u003eMDPQT 20 QT Professional Grade Horticultural Perlite and Vermiculite is a lightweight soil amendment that improves drainage, aeration and root-zone porosity for potted plants and garden beds.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis 20-quart pack combines high-end horticultural perlite with professional-grade vermiculite to create a durable, airy medium that prevents compaction while supporting moisture balance. Gardeners use it to lighten heavy soils, boost container drainage, and maintain a friable root environment. The product is formulated for versatility — from seed starting and potting mixes to top-dressing and soil conditioning — without adding excessive weight or dense particles that can suffocate roots.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this mix help improve drainage and prevent compacted soil?\u003c\/h3\u003e\n\u003cp\u003eThe porous structure of perlite and vermiculite creates channels for excess water to move away from roots while retaining just enough moisture for plant uptake. That balance reduces the risk of waterlogging and compaction that can stifle oxygen flow to the root zone.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOpen, lightweight particles create air pockets in potting mixes.\u003c\/li\u003e\n  \u003cli\u003eVermiculite holds limited moisture for steady release between waterings.\u003c\/li\u003e\n  \u003cli\u003ePerlite prevents soil particles from settling and compressing over time.\u003c\/li\u003e\n  \u003cli\u003eWorks in raised beds, containers, and seed trays to maintain structure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the best uses for a 20-quart bag in my garden or indoor plants?\u003c\/h3\u003e\n\u003cp\u003eA 20-quart bag is sized to mix into several medium pots, refresh flats for seedlings, or to supplement a small raised bed. It’s convenient for hobbyists and small-scale growers who need a reliable amendment without buying bulk sacks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBlend with potting soil at 10–40% volume to tailor drainage and aeration.\u003c\/li\u003e\n  \u003cli\u003eUse as a seed-starting component for improved germination conditions.\u003c\/li\u003e\n  \u003cli\u003eTop-dress heavy pots to reintroduce porosity without repotting fully.\u003c\/li\u003e\n  \u003cli\u003eMix into compost or native soil to reduce density and improve root penetration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow much should I mix into potting soil and when should I reapply?\u003c\/h3\u003e\n\u003cp\u003eFor most container plants, adding 10–30% perlite\/vermiculite by volume will noticeably improve drainage and aeration. Reapply or refresh the top layer at potting time or every 12–18 months if you notice reduced drainage or compaction.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSeed trays: 20–40% for light, fast-draining mix.\u003c\/li\u003e\n  \u003cli\u003eHouseplants: 10–25% to balance moisture retention with aeration.\u003c\/li\u003e\n  \u003cli\u003eOutdoor beds: incorporate 5–15% into the root zone when preparing soil.\u003c\/li\u003e\n  \u003cli\u003eRefresh top layer or re-pot when soil becomes dense or water ponds on the surface.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this product safe and easy to work with for indoor gardening?\u003c\/h3\u003e\n\u003cp\u003eYes. The particles are sterile and free of heavy debris, making the mix easy to handle for indoor and container gardening. Light dust can be minimized by moistening slightly when mixing or wearing a simple dust mask during large mixes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eClean, horticultural-grade materials reduce contaminants and debris.\u003c\/li\u003e\n  \u003cli\u003eLightweight, non-crumbling particles simplify potting tasks.\u003c\/li\u003e\n  \u003cli\u003eMinimal odor and no added chemicals make it suitable for indoor use.\u003c\/li\u003e\n  \u003cli\u003eWorks well with organic potting mixes and hydroponic-start media.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: MDPQT 20 QT Professional Grade Horticultural Perlite and Vermiculite is intended for home gardeners, container growers, seed starters, and professional horticulturists who need a reliable, lightweight soil amendment. It fits buyers looking to improve soil structure and drainage without heavy equipment or bulk purchases — ideal for balcony gardeners, greenhouse operators, and anyone refreshing potting mixes or preparing new planting beds.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this mix for indoor houseplants?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Mix 10–25% into potting soil to improve drainage and aeration for indoor containers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long does one 20 QT bag last?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It depends on use: enough to amend multiple medium pots or refresh several seed trays; typically several months for casual gardeners.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MDPQT","offers":[{"title":"Default Title","offer_id":54200335433912,"sku":"B0CBH7SPQW","price":94.24,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0636\/7416\/files\/mdpqt-front-packaging-20qt.jpg?v=1790611221","url":"https:\/\/canadianlawn.ca\/products\/mdpqt-20-qt-horticultural-perlite-vermiculite-professional-grade-lightweight-drainage-boost","provider":"Canadian Lawn","version":"1.0","type":"link"}