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Multi-use -- the temperature tolerance and quality of Bonsai Jack lava rocks make it useful for filling aquariums, fire pits, garden soil amendment, fire media, ashtrays, in addition to top dressing for plants.
Made in the usa -- all bonsai jack soil products are lab-tested and free of dyes. Adding porous lava rocks instead of mulch to maintain plants like orchids, succulents, cacti, and bonsai trees ensures proper drainage while maintaining moisture.



All-natural lava rocks: formed as volcanic magma rises to the surface then cools and releases gases, these small fire rocks can withstand the most extreme temperatures without damage or crumbling, making them a beautiful addition to your fire feature! Sourced in the USA.
Use these fire pit rocks on their own or as a base or filler for other ornaments. High quality, low maintenance: durable, long-lasting and cost effective, american fire glass black lava fireplace rocks come in a variety of Sizes, have a porous surface and require very little maintenance. The all-natural rocks are great in soil to retain moisture for plants and also work well as an addition to aquariums and ponds.

Helps to maintain moisture, prevent erosion, aerate soil, and improve drainage. Useful and size: the black lava rock is 2. 2lb. Multi-use -- the temperature tolerance and quality of toyPOPOR lava rocks make it useful for filling aquariums, garden soil amendment, fire pits, fire media, ashtrays, in addition to top dressing for plants.
Easy to maintain -- focus on the most satisfying part of maintaining a plant. Adding porous lava rocks instead of mulch to maintain plants like orchids, cacti, succulents, and bonsai trees ensures proper drainage while maintaining moisture. Ideal drainage -- the porosity of lava rocks allows for excellent drainage while maintaining moisture within soil to allow your newly potted, acid-loving plants to cultivate and flourish.

Lava rocks is heat proof and ideal usage in Indoor and Outdoor Gas Fire Pits and Fireplaces.
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.

Enhance your home oasis: black lava rocks are a low-cost way to give your fire feature an exotic, tropical and classy look. Use these fire pit rocks on their own or as a base or filler for other ornaments.
Indoor or outdoor use: lava rocks are the perfect choice for fire bowls, fire pits, and indoor or outdoor fireplaces liquid propane or natural gas. Naturally occurring fire pit rocks look great and have a fascinating burning effect. Versatile: american fire glass lava rocks go beyond fire features.


Multi usagelava rocks not only can be used as a soil additive, or bottom layer, or top dressing in the art of bonsai, they but also can be used for ashtrays, garden soil amendment.
Lava rocks are porous and will absorb and slowly release excess water back to the plant. 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.
1. Hoffman
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Hoffman 14452 Volcanic Lava Rock, 2 Quarts
#adHoffman #ad - Volcanic lava rock. This product weighs 2 quarts. This product weighs 2 quarts. A great decorative moisture retainer for potted or beeded plants. Bright red lava rock.More information #ad
Brand | Hoffman #ad |
Manufacturer | Hoffman #ad |
Height | 15 Inches |
Length | 2 Inches |
Weight | 2 Pounds |
Width | 8.64 Inches |
Part Number | 14452 |
Model | 14452 |
More information #ad
2. Bonsai Jack
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100% Pure Volcanic Rock 2 Dry Quarts, Bonsai Jack, No Dyes or Chemicals, Succulents and Plants, Black 1/4 inch Horticultural Lava Rock Soil Additive for Cacti
#adBonsai Jack #ad - Bonsai jack lava rock soil additive can be mixed with ingredients such as pine bark fines, granite grit, calcined clay, and or dirt to create soil specific to your needs. Easy to maintain -- focus on the most satisfying part of maintaining a plant.Multi-use -- the temperature tolerance and quality of Bonsai Jack lava rocks make it useful for filling aquariums, fire pits, garden soil amendment, fire media, ashtrays, in addition to top dressing for plants.
More information #ad
Customizable mix -- lava rock is used as a soil additive or top dressing in the art of bonsai. Ideal drainage -- the porosity of lava rocks allows for excellent drainage while maintaining moisture within soil to allow your newly potted, acid-loving plants to cultivate and flourish. Made in the usa -- all bonsai jack soil products are lab-tested and free of dyes. Adding porous lava rocks instead of mulch to maintain plants like orchids, succulents, cacti, and bonsai trees ensures proper drainage while maintaining moisture.
Brand | Bonsai Jack #ad |
Manufacturer | Bonsai Jack #ad |
Height | 11.25 Inches |
Length | 2 Inches |
Weight | 1.5 Pounds |
Width | 8 Inches |
Part Number | 723905647407 |
More information #ad
3. Bonsai Jack
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& Plants, No Dyes or Chemicals, 100% Pure Volcanic Rock 2 Quarts, Bonsai Jack, Red/Maroon 1/4 inch Horticultural Lava Rock Soil Additive for Cacti, Succulents
#adBonsai Jack #ad - No fillers or artificial coloring. The cleanest and safest bonsai soil additive guaranteed. Pre-washed. The cleanest bonsai aggregate available. Consistent sizes, ready to use, no sifting required. Available in 2 quart, 3. 5 gallon, 7 gallon, 2 gallon, 1 gallon, 14 Gallon and 28 Gallon SKUs.More information #ad
Brand | Bonsai Jack #ad |
Manufacturer | Bonsai Jack #ad |
Height | 11.25 Inches |
Length | 2 Inches |
Weight | 1.75 Pounds |
Width | 8 Inches |
Part Number | 799600829554 |
More information #ad
4. FloweRock
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Pebble 3/4", 3/8", FloweRock 4LB Black Lava Rock
#adFloweRock #ad - Black lava is sourced and packaged in the United States. Great to use as a growing medium in Hydroponics. All natural, black lava rock - Pebble 3/8" - 3/4". Approximately 1. 95 dry quarts of rock. Great for aquarium decor and fish tanks.More information #ad
Brand | FloweRock #ad |
Manufacturer | Red Hill Lava Products, Inc. #ad |
Height | 1.5 Inches |
Length | 11 Inches |
Width | 11 Inches |
More information #ad
5. American Fire Glass
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American Fireglass LAVA-S-10 American Fire Glass Small Sized Black Lava Rock – Porous, 1/4 Inch to 1/2 Inch Thick x 10 Pounds, All-Natural
#adAmerican Fire Glass #ad - Versatile: american fire glass lava rocks go beyond fire features. Indoor or outdoor use: lava rocks are the perfect choice for fire bowls, fire pits, and indoor or outdoor fireplaces liquid propane or natural gas. Enhance your home oasis: black lava rocks are a low-cost way to give your fire feature an exotic, tropical and classy look.All-natural lava rocks: formed as volcanic magma rises to the surface then cools and releases gases, these small fire rocks can withstand the most extreme temperatures without damage or crumbling, making them a beautiful addition to your fire feature! Sourced in the USA.
More information #ad
Naturally occurring fire pit rocks look great and have a fascinating burning effect. Use these fire pit rocks on their own or as a base or filler for other ornaments. High quality, low maintenance: durable, long-lasting and cost effective, american fire glass black lava fireplace rocks come in a variety of Sizes, have a porous surface and require very little maintenance. The all-natural rocks are great in soil to retain moisture for plants and also work well as an addition to aquariums and ponds.
Brand | American Fire Glass #ad |
Manufacturer | American Fireglass #ad |
Height | 3 Inches |
Length | 14 Inches |
Weight | 11 Pounds |
Width | 16 Inches |
Part Number | LAVA-S-10 |
Model | LAVA-S-10 |
More information #ad
6. TOYPOPOR
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Black Horticultural Lava Rock Soil Additive for Cacti Succulents Plants No Dyes or Chemicals 100% Pure Volcanic Rock 2.2LB Top Dressing
#adTOYPOPOR #ad - Volcanic rock great as a ground cover or for garden paths and planter beds. Toypopor lava rock soil additive can be mixed with ingredients such as pine bark fines, granite grit, calcined clay, and or dirt to create soil specific to your needs.Helps to maintain moisture, prevent erosion, aerate soil, and improve drainage. Useful and size: the black lava rock is 2. 2lb. Multi-use -- the temperature tolerance and quality of toyPOPOR lava rocks make it useful for filling aquariums, garden soil amendment, fire pits, fire media, ashtrays, in addition to top dressing for plants.
More information #ad
Customizable mix -- lava rock is used as a soil additive or top dressing in the art of bonsai. Easy to maintain -- focus on the most satisfying part of maintaining a plant. Adding porous lava rocks instead of mulch to maintain plants like orchids, cacti, succulents, and bonsai trees ensures proper drainage while maintaining moisture. Ideal drainage -- the porosity of lava rocks allows for excellent drainage while maintaining moisture within soil to allow your newly potted, acid-loving plants to cultivate and flourish.
Brand | TOYPOPOR #ad |
Manufacturer | TOYPOPOR #ad |
More information #ad
7. Venetian Princess
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Venetian Princess Lava Rocks, Decorative Landscaping Rocks or Gas Fire Pits Rocks, Black Lava Rock, 3/4" .75" 10 Lbs
#adVenetian Princess #ad - 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.Lava rocks is heat proof and ideal usage in Indoor and Outdoor Gas Fire Pits and Fireplaces.
More information #ad
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. 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.
Brand | Venetian Princess #ad |
Manufacturer | Venetian Princess #ad |
More information #ad
8. American Fire Glass
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American Fireglass LAVA-M-10 American Fire Glass Medium Sized Black Lava Rock – Porous, All-Natural, 1/2 Inch to 1 Inch Thick x 10 Pounds
#adAmerican Fire Glass #ad - High quality, american fire glass black lava fireplace rocks come in a variety of Sizes, long-lasting and cost effective, low maintenance: durable, have a porous surface and require very little maintenance. The all-natural rocks are great in soil to retain moisture for plants and also work well as an addition to aquariums and ponds.Enhance your home oasis: black lava rocks are a low-cost way to give your fire feature an exotic, tropical and classy look. Use these fire pit rocks on their own or as a base or filler for other ornaments.
More information #ad
No assembly required. All-natural lava rocks: formed as volcanic magma rises to the surface then cools and releases gases, these medium sized fire rocks can withstand the most extreme temperatures without damage or crumbling, making them a beautiful addition to your fire feature! Sourced in the USA. Indoor or outdoor use: lava rocks are the perfect choice for fire bowls, fire pits, and indoor or outdoor fireplaces liquid propane or natural gas. Naturally occurring fire pit rocks look great and have a fascinating burning effect. Versatile: american fire glass lava rocks go beyond fire features.
Brand | American Fire Glass #ad |
Manufacturer | American Fireglass #ad |
Height | 3 Inches |
Length | 14 Inches |
Weight | 11 Pounds |
Width | 16 Inches |
Part Number | LAVA-M-10 |
Model | LAVA-M-10 |
More information #ad
9. Midwest Hearth
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Midwest Hearth Natural Lava Rock Granules for Gas Log Sets and Fireplaces 5-lb Bag
#adMidwest Hearth #ad - Natural color - no artificial color added. The same size OEM log sets use. Add realism to your fireplace - Give your fireplace a "full" and natural look by adding lava rock around your log set. Generous quantity - midwest Hearth Lava Granules are available in 5-lb or 10-lb bags.More information #ad
Natural black lava rock with hints of browns and grays. Natural volcanic lava rock - Withstands extremely high temperatures without sustaining any damage or crumbling. Sized for fireplaces and gas log sets - granules are small and vary in size from 1/4" to 1/2" in diameter.Brand | Midwest Hearth #ad |
Manufacturer | Midwest Hearth #ad |
Part Number | B01L4HJPSA |
More information #ad
10. CARURBODY
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CARURBODY Black Lava Rocks for Plants -100% Pure Volcanic Rock No Dyes or Chemicals-Best Lava Stones Top Dressing for Cacti Succulents Plants,Bonsai
#adCARURBODY #ad - Packedthe black lava rock is 2. 8lb. Well packed and simply tear off the top then reseal. Ideal drainage these lava rocks are all natural and organic. Othersthe 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.Multi usagelava rocks not only can be used as a soil additive, or bottom layer, or top dressing in the art of bonsai, they but also can be used for ashtrays, garden soil amendment.
More information #ad
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. Perfect for preventing root rot. Lava rocks are porous and will absorb and slowly release excess water back to the plant. 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.
Brand | CARURBODY #ad |
Manufacturer | CARURBODY #ad |
Weight | 2.2 Pounds |
Part Number | A-01 |
More information #ad