{"product_id":"pulovin-lava-rocks-2-5-lb-1-5-horticultural-mix-porous-volcanic-gravel-for-succulents-cacti-bonsai-drainage","title":"Pulovin Lava Rocks 2.5 lb 1\/5\" Horticultural Mix — Porous Volcanic Gravel for Succulents, Cacti \u0026 Bonsai Drainage","description":"\u003cp\u003e\u003cstrong\u003ePulovin 2.5lb horticultural lava rock mix is a porous volcanic gravel blend sized around 1\/5 inch, made to improve drainage, aeration, and decorative top-dressing for succulents, cacti, bonsai, terrariums, and potted plants.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese naturally formed lava rocks combine lightweight porosity with a subtly varied shape and color to both support plant health and add a tidy, natural finish to containers and garden beds. The mix is designed to be chemically inert and slightly acidic-friendly, helping substrates drain faster and retain better air flow than heavy soils. Pulovin’s gravel can be used as a soil amendment, a decorative top layer, or a structural base for bonsai and terrarium designs.\u003c\/p\u003e\n\n\u003ch3\u003eHow will Pulovin lava rocks change my potting mix performance?\u003c\/h3\u003e\n\u003cp\u003eAdding this lava rock mix improves drainage and increases pore space so roots get more oxygen and excess water drains away faster. Because the pieces are small (about 1\/5 inch), they integrate well with fine soils and cactus mixes without creating large gaps.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBoosts drainage to reduce standing water around roots\u003c\/li\u003e\n  \u003cli\u003eIncreases aeration to promote healthy root structure\u003c\/li\u003e\n  \u003cli\u003eLightweight, so it won’t overly compact the potting medium\u003c\/li\u003e\n  \u003cli\u003eSmall size mixes well with succulent\/cactus substrates\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat practical uses does this volcanic gravel have around plants?\u003c\/h3\u003e\n\u003cp\u003eThis mix is versatile: use it as a top dressing to prevent soil splash, as a drainage layer under pots, or blended into the growing medium to improve texture. It’s also popular in decorative applications like terrariums, fairy gardens, and bonsai displays where both form and function matter.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTop dressing for moisture control and a finished look\u003c\/li\u003e\n  \u003cli\u003eUnder-drain layer to keep pot bottoms free of soil\u003c\/li\u003e\n  \u003cli\u003eSoil amendment to lighten heavy mixes and increase porosity\u003c\/li\u003e\n  \u003cli\u003eDecorative element in terrariums, bonsai, and planters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these lava rocks safe for my plants and containers?\u003c\/h3\u003e\n\u003cp\u003ePulovin lava rocks are naturally formed from cooled magma and contain no synthetic additives, making them safe for most plants and pot materials. Their mildly acidic character suits acid-loving species like many succulents and orchids, but they function primarily as a physical amendment rather than a fertilizer.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFree from harmful chemicals and synthetic coatings\u003c\/li\u003e\n  \u003cli\u003ePorous structure helps moderate pH and moisture microclimates\u003c\/li\u003e\n  \u003cli\u003eCompatible with terracotta, plastic, ceramic, and metal containers\u003c\/li\u003e\n  \u003cli\u003eNon-compacting; promotes long-term substrate stability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I apply this lava rock mix for best results?\u003c\/h3\u003e\n\u003cp\u003eUse the Pulovin mix sparingly as a layer or blend it into potting medium; for succulents and cacti, a 10–30% volume replacement improves drainage. As a top dressing, a thin 1\/4–1\/2 inch layer prevents evaporation and gives a polished, weed-resistant surface.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBlend into soil at 10–30% by volume for succulents\/cacti\u003c\/li\u003e\n  \u003cli\u003ePlace 1\/4–1\/2 inch as a decorative top dressing\u003c\/li\u003e\n  \u003cli\u003eLayer at the pot base to support drainage before soil fill\u003c\/li\u003e\n  \u003cli\u003eRinse before use if dust or fine particles are present\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: Pulovin 2.5lb horticultural lava rock is ideal for houseplant enthusiasts, succulent and cactus growers, bonsai hobbyists, terrarium designers, and gardeners who need a lightweight, natural amendment to improve drainage and aesthetics. Choose this mix if you want a multi-use volcanic gravel that enhances airflow, stabilizes soil structure, and gives containers a clean, professional finish without adding synthetic materials.\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: Do I need to rinse Pulovin lava rocks before using them?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Rinsing is optional; a quick rinse removes dust. For indoor top dressing, brush off fine particles for a cleaner finish.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I mix this with regular potting soil for succulents?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Mix 10–30% lava rock by volume into potting soil to increase drainage and aeration for succulents.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Pulovin","offers":[{"title":"Default Title","offer_id":54192692101304,"sku":"B0DLKLQTKV","price":50.42,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0636\/7416\/files\/pulovin-front-packaging-view.jpg?v=1790548242","url":"https:\/\/canadianlawn.ca\/products\/pulovin-lava-rocks-2-5-lb-1-5-horticultural-mix-porous-volcanic-gravel-for-succulents-cacti-bonsai-drainage","provider":"Canadian Lawn","version":"1.0","type":"link"}