--- product_id: 647523255 title: "Mr. Fireglass Lava Rock Granules, 2.75\"-5\" Large Volcanic Lava Rock for for Fire Pits, Fire Bowls, Fire Table and Gas Log Sets, Decorative Landscaping, Indoor & Outdoor Fireplaces - 10 Pounds, Red" brand: "mr. fireglass" price: "$176.21" currency: USD in_stock: true reviews_count: 13 category: "Mr. Fireglass" url: https://www.desertcart.us/products/647523255-mr-fireglass-lava-rock-granules-2-75-5-large-volcanic store_origin: US region: United States of America --- # Versatile for fire pits, landscaping & aquariums Porous surface boosts flame spread Withstands extreme heat without cracking Mr. Fireglass Lava Rock Granules, 2.75"-5" Large Volcanic Lava Rock for for Fire Pits, Fire Bowls, Fire Table and Gas Log Sets, Decorative Landscaping, Indoor & Outdoor Fireplaces - 10 Pounds, Red **Brand:** mr. fireglass **Price:** $176.21 **Availability:** ✅ In Stock ## Summary > 🔥 Elevate your fire game with nature’s own flame enhancer! ## Quick Answers - **What is this?** Mr. Fireglass Lava Rock Granules, 2.75"-5" Large Volcanic Lava Rock for for Fire Pits, Fire Bowls, Fire Table and Gas Log Sets, Decorative Landscaping, Indoor & Outdoor Fireplaces - 10 Pounds, Red by mr. fireglass - **How much does it cost?** $176.21 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/647523255-mr-fireglass-lava-rock-granules-2-75-5-large-volcanic) ## Best For - mr. fireglass enthusiasts ## Why This Product - Trusted mr. fireglass brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Heat-Resistant Hero:** Engineered to endure scorching temperatures without breaking or cracking—built to last season after season. - • **Ignite with Intensity:** Porous lava rocks disperse gas evenly for a mesmerizing, fuller flame every time. - • **Multi-Functional Marvel:** From fire pits to garden mulch and aquariums, these rocks elevate both function and style effortlessly. - • **Eco-Friendly Oxygen Boost:** Activates oxygen ions in water, promoting healthier plants and aquatic life—beautify your water features with purpose. - • **Natural Aesthetic Upgrade:** Add rich texture and earthy tones to your outdoor spaces, seamlessly blending fire and landscape design. ## Overview Mr. Fireglass Lava Rock Granules are premium 2.75"-5" red volcanic rocks designed for superior gas dispersion and flame performance in fire pits, fireplaces, and gas log sets. These durable, heat-resistant rocks also serve as stylish landscaping mulch and natural water purifiers, making them a versatile, low-maintenance upgrade for indoor and outdoor living spaces. ## Description Product description Mr. Fireglass Fire Pit Fireplace Lava Rock Transform any dull fire pit to a warm and exotic flair Natural lava rocks are excellent base layers and cost-effective fillers for gas fire pits and fireplaces. These black or red fire glass have a naturally porous surface, which determines their superior gas fluidity. They can withstand extremely high temperatures without damage, degrade or crumbling. Both visually and ambitiously, the volcanic rock is a low-cost way to bring exotic fire features to you. Lava rocks work great as a firebase underneath fire glass for a fire pit or fireplace. Complements many landscapes by adding texture, color, and depth. Great for indoor and outdoor use around your home or business. Mr. Fireglass offers two colors and different sizes of lava rocks for you to choose Reasons to Choose Our Natural Lava Rocks Clean-burning Fire Flame Improve Flame Performance Withstand High Temperature Low Maintenance Adds Brilliant Color to the Light of the Fire Safe to Use Gas Compatible Decoration for Fire Pit & Fireplace These black lava rocks have natural a porous surface, which can help spread the gas dispersion in all directions to improve the flame performance. It works great as a firebase underneath fire glass for fire pit or fireplace. Activate Oxygen Ions in Water and Optimize Water Feature Natural volcanic rocks can activate the oxygen ions in the water and promote the metabolism of plants and animals. The porous structure can absorb harmful bacteria, residues and harmful heavy metal ions to keep the water in the tank clean. Garden, Lawn and Walkway Decorations With an earthy, natural look, Lava Rock complements many landscapes by adding texture, color, and depth. It works well as a transitional rock between two landscapes. It adds an extra beauty as decoration for any leisure space like a garden, lawn and walkway. HOW MUCH YOU NEED? Round Fire Pit Diameter (A) x Diameter(A) x Glass Depth (B) / 24 = Glass (lbs.) We recommend a minimum 2” of fire glass depth for most installations. For example, a 24" diameter fire pit at the recommended 2” of fire glass depth: 24 X 24 X 2 / 24 = 48 lbs. Rectangular Fire Pit Width (A) x Fireplace Depth (B) x Glass Depth (C) / 19 = Glass (lbs.) We recommend a minimum 2” of fire glass depth for most installations. For example, a 30" X 10" fire pit at the recommended 2” of fire glass depth: 30 X 10 X 2 / 19 = 31 lbs. Square Fire Pit Width (A) x Width (A) x Glass Depth (B) / 19 = Glass (lbs.) We recommend a minimum 2” of fire glass depth for most installations. For example, a 20" fire pit at the recommended 2” of fire glass depth: 20 X 20 X 2 / 19 = 42 lbs. Indoor Fireplace (Front Width (A) + Back Width (B) )/2 x Fireplace Depth (C) x Glass Depth (D)/19 = Glass (lbs.) We recommend 2" - 4" of glass depth for most fireplaces. For rectangular and square fireplaces, use the same front width as back width. ## Features - 【Natural Fire Pit rocks】 -These red lava rocks have natural a porous surface, which can help spread the gas dispersion in all directions to improve the flame performance. It works great as a firebase underneath fire glass for fire pit or fireplace. While, it requires very little maintenance. - 【High Temperature Resistance Lava Rock】 -Withstands exceptionally high temperatures without breaking down or cracking. Clean burning media for indoor and outdoor use around your home or business. Works great with propane and natural gas. - 【Multi-Purpose Application 】 -10-pound bag of premium lava rocks. Perfect for fire pits, BBQ grills, gas log sets, fireplace enhancements, landscaping projects, garden mulch, aquarium setups, and creative craft projects. Note: Please make sure the volcanic rocks are dry before burning or it may cause an explosion. - 【Natural Landscape Decoration 】 -Earthy appearance complements diverse landscapes by adding texture and depth. Ideal as transitional elements between garden zones or decorative mulch in plant beds. Effectively covers exposed aggregate while concealing unsightly pipes in gardens, lawns, and walkways. - 【Activate Oxygen Ions in Water and Optimize Water Feature】-Natural volcanic rocks can activate the oxygen ions in the water and promote the metabolism of plants and animals. Porous structure absorbs harmful bacteria, waste residues, and heavy metal ions. Perfect for water features, swimming pools, aquariums, and pond ecosystems. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CQ8BRLHF | | Best Sellers Rank | #8,444 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #15 in Decorative Fire Pit Glass Pellets | | Brand | Mr. Fireglass | | Brand Name | Mr. Fireglass | | Customer Reviews | 4.4 out of 5 stars 848 Reviews | | Flavor | Natural Wood | | Item Form | Granule | | Manufacturer | Mr. Fireglass | | Manufacturer Part Number | MF-FG125-AB10 | | Material | Lava Rock | | Material Type | Lava Rock | | Model Number | MF-FG125-AB10 | | Number of Packs | 1 | ## Product Details - **Brand:** Mr. Fireglass - **Material:** Lava Rock - **Flavor:** Natural Wood - **Item Weight:** 10 Pounds - **Item Form:** Granule ## Images ![Mr. Fireglass Lava Rock Granules, 2.75"-5" Large Volcanic Lava Rock for for Fire Pits, Fire Bowls, Fire Table and Gas Log Sets, Decorative Landscaping, Indoor & Outdoor Fireplaces - 10 Pounds, Red - Image 1](https://m.media-amazon.com/images/I/91YVeoJwnOL.jpg) ![Mr. Fireglass Lava Rock Granules, 2.75"-5" Large Volcanic Lava Rock for for Fire Pits, Fire Bowls, Fire Table and Gas Log Sets, Decorative Landscaping, Indoor & Outdoor Fireplaces - 10 Pounds, Red - Image 2](https://m.media-amazon.com/images/I/81kHPNXYX0L.jpg) ![Mr. Fireglass Lava Rock Granules, 2.75"-5" Large Volcanic Lava Rock for for Fire Pits, Fire Bowls, Fire Table and Gas Log Sets, Decorative Landscaping, Indoor & Outdoor Fireplaces - 10 Pounds, Red - Image 3](https://m.media-amazon.com/images/I/81kX+pV1B1L.jpg) ![Mr. Fireglass Lava Rock Granules, 2.75"-5" Large Volcanic Lava Rock for for Fire Pits, Fire Bowls, Fire Table and Gas Log Sets, Decorative Landscaping, Indoor & Outdoor Fireplaces - 10 Pounds, Red - Image 4](https://m.media-amazon.com/images/I/81H3-UKzcdL.jpg) ![Mr. Fireglass Lava Rock Granules, 2.75"-5" Large Volcanic Lava Rock for for Fire Pits, Fire Bowls, Fire Table and Gas Log Sets, Decorative Landscaping, Indoor & Outdoor Fireplaces - 10 Pounds, Red - Image 5](https://m.media-amazon.com/images/I/91O0sS+399L.jpg) ## Available Options This product comes in different **Color, Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by S***R on March 24, 2026* ### ⭐⭐⭐⭐⭐ Review *by S***R on March 15, 2026* ### ⭐⭐⭐⭐⭐ Review *by S***! on December 25, 2025* --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/647523255-mr-fireglass-lava-rock-granules-2-75-5-large-volcanic](https://www.desertcart.us/products/647523255-mr-fireglass-lava-rock-granules-2-75-5-large-volcanic) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-14*