Review on 🐠 EcoBio-Block 2-Pack: Natural Water Clarifier and Odor Remover for Aquariums - Medium Size, Treats 30-80 Gallons by Jaime Collins

I bought it with some hesitation but really wanted to try it. I followed the directions and soaked them in distilled water overnight (about a day and a half) before adding them to my tanks. I placed one in each 55 gallon tank and positioned them so Bubble Stone bubbled around them. In less than a week the haze in my "problem" aquarium was gone. I haven't had to buy a clarifier or bacteria starter since I added them. They have been the best addition to my tanks I have ever made!