EcoBio-Block 2-Pack Stone for Aquariums, Medium – Natural Water Clarifier and Odor Remover, Treats 30 to 80 Gallons

Description

EcoBio-Stones are volcanic rock and cement containing 100% pure beneficial bacteria spores, which effectively clarify cloudy water in aquariums, reducing maintenance. Simply rinse off the EcoBio-Stone, soak overnight and place in aquarium. Using nature’s system of purifying water, EcoBio-Stone’s beneficial bacteria break down organic waste into ammonia, then into nitrites and then into nitrates, which are processed by vegetation or by anaerobic bacteria changing the nitrates into nitrogen gas, w