I followed the directions and poured the recommended dose into a marine aquarium. My tank immediately started falling. Corals and fish got sick. The fish raced around the aquarium and suffocated near the surface. The corals ballooned and began to release threads. I took out the fosban as it was only there for about 10 minutes. I did a little research and saw a post from another person who had the same issue and recommended taking much less than the recommended dose. I wish I had done more research sooner! I had to do some salt water and do a water change the next day. My clownfish is still acting desperate a day later, but everything else seems fine. I threw this product away and decided to clean the stones on my next water change. It wasn't my parameters (they were perfect). I've read a lot of great reviews and it seems to work, but I don't know. I've worked too hard on my tank over the past few years to lose it. I hope this review saves someone from what I did.
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