EcoBio-Stone™ S

EcoBio-Stone S for aquarium care made simple.

Make cloudy aquarium water clear and healthy with simple-to-use EcoBio-Stones. Effective bacteria live and multiply in the stone, using nature's own mechanism for keeping water clean.

Use one EcoBio-Stone S in 8 to 16 gallons of water.*

EcoBio-Stone S (coral)




EcoBio-Stone S for small or nano tanks is a volcanic rock and cement block containing nutrients and beneficial bacteria that regularly multiply to create a healthy ecosystem.


  • Quickly establishes nitrifying bacteria in new aquariums
  • Speeds up nitrogen cycle.
  • Takes approximately 2 - 6 weeks for results.
  • Minimizes aquarium maintenance by greatly reducing the need to change water and vacuum gravel.
  • Revitalizes, and clarifies water by using beneficial bacteria found in nature to break down harmful organic matter.
  • Easy-to-use --- simply rinse with chlorine-free water, soak overnight, and place in the fish tank.
  • Can be used in both fresh water and salt water.
  • Safe for all fish, shrimp, frogs, turtles, etc. and creates a healthier environment.
  • Removes odors
  • No need to add liquid or powder bacteria.
  • Lasts for years --- suggested replacement of approximately 1.5 - 2 year

US Patented
120-day satisfaction guarantee

Additional Info

  • Size:

    approx. 2 1/2“ dia x 2“ H

  • Capacity: 8 to 16 gallons of water.*
  • Note:

    Extra blocks may be necessary depending on variations in the condition of water, temperature and amount of fish.

  • Weight: approx. 7 oz.
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