Black Lava Rock for Aquariums | Black Carved Lava Rock
Lava rock in general is one of the best rocks to use in a shrimp tank. Lava rock is extremely porous which provides tons of surface area to grow biofilm and beneficial bacteria. Lava rock will create natural feeding grounds for shrimp and especially baby shrimp.
Black carved lava rock is ideal for an aquarium because it adds character. The holes add depth to the aquarium and provide natural decoration to include in any aquascape.
Our black carved lava rock comes in 3 sizes and is great for shrimp tanks:
- Small: 1.5-2 inches
- Medium: 2.5-4 inches
- Large: 5-6 inches
Key Benefits
- Will not increase Ph
- Provide natural feeding ground for shrimp and other aquatic life
| Size | Dimensions (inches) |
|---|---|
| Small | 1.5 – 2 |
| Medium | 2.5 – 4 |
| Large | 5 – 6 |
FAQ
Is black carved lava rock safe for shrimp tanks?
Yes, black carved lava rock is safe for shrimp tanks. It is non-toxic and does not increase pH levels. Its porous nature supports beneficial bacteria growth and provides natural feeding grounds for shrimp.
Does black carved lava rock need to be cleaned before use?
No, black carved lava rock does not require cleaning before use. It is pre-treated and ready to add to your aquarium. However, it’s recommended to rinse it gently with dechlorinated water before placing it in the tank.
Can black carved lava rock be used in tanks with fish?
Please contact customer service



Sarah Paterson –
I added black carved lava rock to my shrimp tank and it has made a big difference. The holes provide great surface area for bacteria and the natural look enhances the aquascape. My baby shrimp are now more active and seem to be thriving.
Anne Gray –
The rock comes in different sizes and fits well in my 10-gallon tank. It looks great and the porous structure helps maintain water quality. No pH changes, which is exactly what I wanted.
Jasmine Short –
Good quality lava rock with a nice black finish. The medium and large pieces add depth to the tank. I noticed more biofilm growth after adding it, which is great for shrimp health.