EcoBio-Block Stone for Aquariums, Small

I work at a Fish Store and have done alot of research to find out what is the best product to help maintain the biological and chemical stability in my aquarium. Some items are all a plus or negative. I was a little hesitant at first, but this product is worth the money. If you care about your fish you will buy this product!

After reading overwhelmingly positive reviews for this, I bought it. I was a little hesitant because it was rather expensive and I had trouble believing that it really would work that well. After it arrived in the mail I rinsed it out and left it in a chlorine-free water-filled tupperware for 48 hours (as per the instructions). Then I dropped it in the tank. Our fish tank had a serious water clouding problem that we couldn't seem to fix. We did bi-weekly water changes, tablets, water-based agents, and a bigger filter and nothing worked. After a day of being in the tank the water was noticeably clearer; we would see each other through the tank when we couldn't before. After about two days you could really see that the water was clearing up. It's been about a month now and the water is crystal clear. When we compared it to another tank in the house the water was completely different, with the non-bioblock tank being duller and somewhat cloudier. We only have to change the water once every two weeks now. It's FANTASTIC. I'll definitely be buying another one soon!

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I brought this item a year ago at first it seemed like it was not working,so I started from the begining, and drained all the water out,and totally cleaned every item in my daughter's 10 gallon tank. When I replaced all the items back in the tank, it still appeared not to work, but I had a little patience with it, and within a few days the water to my amazement became crystal clear like glass. I was very satisfied with the results. Take it from a person who has tried everything to keep the water clear,and I was very frustrated, although this item seemed very pricey at the time. It was worth the the money. I would recmmended this product to anyone having trouble keeping their aquarium water clear.

Stephen H.

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I've had a hard time telling it this is working but I have it in my tank. My only complaint if you have a five gallon expect this to look HUGE. I ended up taking a hammer to it and put parts of it in the filter. It's way, way too big. In a big tank it would be no problem. Also, it's slightly sharp. My betta tore it's fins on it so avoid this if you're doing a betta tank. Other than that, my fish seem to like it.

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Iv had this in my tank for almost one year. After while it turns blackish and looks nasty. It seems to be very pricey.

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