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Review on EcoBio-Block Stone: Natural Water Clarifier & Odor Remover for Aquariums (Medium) - Treats 15-40 Gallons Efficiently by Carrie Hamilton

Revainrating 1 out of 5

4 Dead Fish suitable for fish and aquatic animals

I'm honestly surprised by all the stars. I bought this for my 10 gallon aquarium (item fits 8-60 gallons). Soak overnight according to directions. Transferred to the aquarium the next day and within 24 hours 3 fish were dead and another soon to follow. I immediately removed the stone and changed the water. I hope my remaining fish will still be alive when I get home from work. I am very disappointed in this purchase. I've had these fish for months and never had a problem until I used this stone!

Pros
  • Hands-free operation
Cons
  • No