
EcoBio-Stone for mid-size aquariums is a porous volcanic cement block containing nutrients and beneficial bacteria that regularly multiply to create a healthy ecosystem.
- Minimizes aquarium maintenance by significantly reducing the need to change water and vacuum gravel.
- Quickly establishes nitrifying bacteria in new aquariums reducing length of "new tank syndrome".
- Speeds up denitrification cycle
- Revitalizes, and clarifies water by quickly breaking down organic waste into safer by-products.
- Easy-to-use --- simply rinse with chlorine-free water and place in the fish tank.
- Lasts for years --- suggested replacement of approximately 1.5 - 2 years. May last longer.
- Efffective for both fresh and salt water fish tanks.
- Safe for all fish and reptiles.
- Removes odors
- No need to add liquid or powder bacteria.
- Takes approximately 2 - 6 weeks for results under normal conditions.
US Patented 90-day satisfaction guarantee
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Use one EcoBio-Stone M for 8 to maximum 60 gallons of water.*
Size: approx. 3 3/4“ dia x 2 1/8“ H Wt.: approx. 12 oz.
*Please note that extra rocks may be necessary depending on the condition of your water, temperature and amount of fish.

Available in coral and green
$54.00 plus Shipping & Handling

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