Best Fake Lava Rocks in 2022 [*Top Picks*]

Looking for the best fake lava rocks on the market? We’ve got you covered. Check out our ratings of absolute bestsellers below and make a final decision.

1384 Reviews Scanned

  • Black 1-3 Inch Lava Rock | Fireproof and Heatproof Volcanic Lava Rock, Perfect for Fire Pits, Fireplaces, BBQs and More. Indoor and Outdoor use - Natural Stones | 10 Pounds
    Bestseller #1
    Black 1-3 Inch Lava Rock | Fireproof and Heatproof Volcanic Lava Rock, Perfect for Fire Pits, Fireplaces, BBQs and More. Indoor and Outdoor use - Natural Stones | 10 Pounds (131)
      IMPROVES FLAME PERFORMANCE by spreading the gas dispersion in all directions, ideal on its own or as a base layer underneath fire glass, or even mixing the lava and glass together. GAS COMPATIBLE, for use in indoor and outdoor natural gas and propane fireplaces and fire pits; perfect to replace faux fire log sets ECO-FRIENDLY AND SAFE for indoor and outdoor applications. No color additives or chemicals. HASSLE-FREE INSTALLATION: Lava rock is easy to install, simply pour straight from the bag into your fire pit or fireplace WARNING: Lava rock may pop or crack while adjusting to changes in temperature. Please cover your fireplace or fire pit during the first couple of uses. If lava rock is wet, allow fire pit to burn for 45 minutes prior to coming within 15 feet of the fire pit. When not in use the fire pit must be covered at all times.
  • Venetian Princess Lava Rocks - Decorative Landscaping Rocks or Gas Fire Pits Rocks, 3/4
    Bestseller #1
    Venetian Princess Lava Rocks - Decorative Landscaping Rocks or Gas Fire Pits Rocks, 3/4" (.75") (10 Lbs, Black Lava Rock) (199)
      Lava Rocks size ranges from 1/2" to 1-1/2" - Available in Black or Red - 10 Pounds or 40 Pounds Lava rocks can be used with Fire Pits, Fireplaces, or Decoratively Lava Rocks is heat proof and ideal usage in Indoor and Outdoor Gas Fire Pits and Fireplaces Calculating How Much Lava Rocks You Need - Circular/Round Fire Pit - To calculate how many pounds of Lava Rocks you'll be needing for your project, simply: Radius (Inches) x Radius (Inches) x 3.14 = Square Inches / Then Divide the Square Inches you have by 16 = Number of Pounds you'll be needing (This is calculated for the optimal depth for Lava Rocks of 2" Deep) Calculating How Much Lava Rocks You Need - Square/Rectangular Fire Pit - Width (Left & Right) x Depth (Front to Back) = Square Inches / Then Divide the Square Inches you have by 16 = Number of Pounds you'll be needing to get how many pounds of Lava Rocks you'll be needing (This is calculated for the optimal depth for Lava Rocks of 2" Deep)
  • CARURBODY Black Lava Rocks for Plants -100% Pure Volcanic Rock No Dyes or Chemicals-Best Lava Stones Top Dressing for Cacti Succulents Plants,Bonsai
    Bestseller #1
    CARURBODY Black Lava Rocks for Plants -100% Pure Volcanic Rock No Dyes or Chemicals-Best Lava Stones Top Dressing for Cacti Succulents Plants,Bonsai (34)
      【IDEAL DRAINAGE】 These lava rocks are all natural and organic. Ideal for pots with no drainage holes you can place the lava rocks at the bottom of the planter so the water can pool without drowning the roots. Lava rocks are porous and will absorb and slowly release excess water back to the plant. Perfect for preventing root rot. 【PACKED】The black lava rock is 2.8LB.Well packed and simply tear off the top then reseal. You can take the portion you need with the cactus and succulent soil mix, and then seal it back for perfect prevention and storage. 【PROFESSIONAL FORMULATION】 This lava rock is made up professional formulation which keep its well drainage and also supply the necessary nutrition for plants growing. It is best for succulent hobbyist and other succulent lovers 【MULTI USAGE】Lava rocks not only can be used as a soil additive, or top dressing in the art of bonsai, or bottom layer, they but also can be used for ashtrays, garden soil amendment 【OTHERS】The sizes of the pieces are 3 - 6 mm approximately and these volcanic lava rock is perfect for diffusing aromatherapy essential oils!But you need to cleaning until there are no impurities.
  • Skyflame Black Natural Stones Lava Rock Granules for Gas Fire Pit | Fireplace | Gas Log Set | BBQ Grill | Garden Landscaping Decoration | Cultivation of Potted Plants | Indoor Outdoor Use, 10-lb Bag
    Bestseller #1
    Skyflame Black Natural Stones Lava Rock Granules for Gas Fire Pit | Fireplace | Gas Log Set | BBQ Grill | Garden Landscaping Decoration | Cultivation of Potted Plants | Indoor Outdoor Use, 10-lb Bag (127)
      Multifunctional: improve flame performance by spreading the gas dispersion in all directions | base layer underneath fire glass or mixing with glass together | retain the heat under the cooking surface for all gas grills | great in soil to retain moisture for plants | decorative landscape lava rock for garden, patio, ponds, fish tank etc. Comes in a variety of Sizes From 3/8" to 3/4", black with porous surface. Withstand extremely high temperatures without sustaining any damage or crumbling. For use with fire bowls, fire pits, and fireplaces, either indoors or outdoors, Eco-friendly and safe. Give your fireplace a "full" and natural look by adding lava rock around your log set.
  • GASPRO 10 Pound Lava Rocks, 1-3 Inch Large Lava Rock for Natural Gas and Propane Fire Pits/Fireplace, Natural Black Lava Rocks
    Bestseller #1
    GASPRO 10 Pound Lava Rocks, 1-3 Inch Large Lava Rock for Natural Gas and Propane Fire Pits/Fireplace, Natural Black Lava Rocks (1467)
      【Natural Lava Rocks】 It's formed naturally after an eruption of a volcano, which made them extremely heat resistant and highly durable. No elements are added to provide you with a safe and long-lasting using experience. 【Dual Function】 It can effectively hide unsightly pipes and tubes and greatly improved the appearance of your firepit. Plus, it also can be a protective layer for the burner and help keep your fire pit running for a long time. 【Fireplace Decoration】 Provide a nice warm fire glow in a wonderful night. Add texture and a color accent to your fireplace, black lava rock will be a charming accent for your interior. 【Functional Applications】 Fire pit rocks also can be used as mulch for your garden, providing a beautiful and pristine feel. Widely used around trees, shrubs, plants, and flower beds to prevent soil caking or soil erosion. 【Easy Maintenance】 A perfect substitute for logs, fireplace rocks do not emit ash, soot, or smoke, nor do they degrade. Therefore, you hardly ever need to clean the fire pit.
  • Medium Lava Rocks 10 Pounds by American Fire Glass- Volcanic Fire Pit Lava Rocks for Indoor Log Fireplace, BBQ, Grill, Gas, Aquariums- All-Natural Decorative Landscaping Black- Made in USA- 1/2
    Bestseller #1
    Medium Lava Rocks 10 Pounds by American Fire Glass- Volcanic Fire Pit Lava Rocks for Indoor Log Fireplace, BBQ, Grill, Gas, Aquariums- All-Natural Decorative Landscaping Black- Made in USA- 1/2" x 1" (386)
      ELEVATE YOUR HOME & BACKYARD DECOR: Create an enchantingly beautiful, well-built fireplace in your home or back yard to add immense value to your home’s aesthetics. A wonderful way to create a cozy, warm space for entertaining guests, or simply for relaxing evenings for two, these premium quality, natural volcanic fire pit lava rocks will instantly elevate any dĂ©cor. The pack contains 10 pounds of medium sized, natural, black volcanic lava rocks (1/2" x 1" thick). #1 CHOICE FOR USE WITH GAS LOGS & FIRE PITS: Enjoy amazing nights by a stunning fire pit (indoors or outdoors) while keeping it all clean, low maintenance and all-natural looking. Suitable to use with gas logs, fire pits, BBQ grills, log fireplaces, barbecues and even as aquarium decor, they are super durable, do not crumble and provide even distribution of heat and flame, making them America’s #1 high performing, go-to solution. USE AS A BASE, FILLER OR ON THEIR OWN: These volcanic lava rocks are so versatile that can be used on their own, as a base or filler for other decorations. Great with liquid propane or natural gas fireplaces, they have a porous surface that naturally allows them to withstand extreme temperatures with safety. Forget about poor quality rocks that tend to get damaged and crumbly in high heat – our lava rocks deliver on their promises every single time! GREAT FOR LANDSCAPING AND PLANTS: Besides their traditional use inside a fireplace, these rocks are also an excellent feature used in landscaping, gardening and ponds! Use these natural, black, lava rocks to create beautiful patterns in your back yard or to help retain moisture for your plants. These rocks also work great as an addition to ponds by adding a natural, exotic look to your small paradise. MADE IN THE USA | GET YOURS WITH LIFETIME GUARANTEE: Proudly made on the western coast in the USA, our volcanic lava rocks are sure to far exceed your expectations both in quality and aesthetics. Guaranteed for a lifetime for safe use with fire, our lava rocks are hand packaged and quality controlled in California for excellent results!
  • Midwest Hearth Lava Rock for Fire Pits and Gas Log Sets, Red 1/2
    Bestseller #1
    Midwest Hearth Lava Rock for Fire Pits and Gas Log Sets, Red 1/2" to 2" (10-lb Bag) (2086)
      NATURAL VOLCANIC LAVA ROCK - Withstands extremely high temperatures without sustaining any damage or crumbling. NATURAL COLOR - No artificial color added. Natural red lava rock with multiple shades of red and some grays and tans on random stones. GREAT BASE LAYER FOR FIRE PITS - Use as a neutral base layer, then top with logs or other accents. COMPLETE YOUR GAS LOG SET - Give your fire box a more complete look and fill that ugly floor with all natural lava rock! 1/2" TO 2" AVERAGE SIZE - Larger than our "granules", these give a bigger and wider size variety for outdoor fire features or large gas log sets.
  • Stanbroil Lava Rock Granules for Gas Log Sets and Fireplaces - 10 lb.Bag (1
    Bestseller #1
    Stanbroil Lava Rock Granules for Gas Log Sets and Fireplaces - 10 lb.Bag (1"-2") (1866)
      Natural black lava rock with hints of browns and blacks. Granules are small and vary in size from 1" to 2" in diameter. Durable, long-lasting, fire pit rocks look great and have a fascinating burning effect. Withstand the most extreme temperatures without damage or crumbling, add realism or create depth to gas logs to your gas logs . Perfect for fire bowls, fire pits, and indoor or outdoor fireplaces, liquid propane or natural gas. Use as a neutral bass layer, then top with logs or fire glass!
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