Do Eco Bio blocks work?
Do Eco Bio blocks work? 5.0 out of 5 stars highly recommend this stone! I have been using these stones in my aquariums for years. They keep my water quality perfect and clear. With very little maintenance I am able to keep my fish happy and breeding, my snails and shrimp thrive, and my water aquarium stays stable. What does a bio block do? Eco-Bio Blocks are bacteria-treated stones comprised of volcanic-rock and cement that you can place in your aquarium tank. They are designed to minimize the frequency of water changes necessary to maintain a good chemistry in your...