EcoBio-Block Stone for Aquariums, Small - Biological Water Clarifier and Odor Remover, Maintains Healthy Clear Water. Treats 4 to 20 Gallons

Eco Bio-Stones are volcanic rock and cement containing beneficial bacteria colonies which effectively clarify cloudy water in aquariums reducing maintenance.

Product Features

• Volcanic rock containing beneficial bacteria colonies, disperse about every 30 minutes, clarifies cloudy water and eliminates odors


• Speeds up nitrogen cycle


• “Reduces need for frequent maintenance by continually replenishing beneficial bacteria for up to two years”


• Safe for all fish, reptiles, amphibians and other aquatic life


• Simple to use, no mess aquarium care in fresh or salt water

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EcoBio-Block Stone for Aquariums, Small - Biological Water Clarifier and Odor Remover, Maintains Healthy Clear Water. Treats 4 to 20 Gallons