I actually bought one of these things when I first started my reef. After reading the posts on this board, I took it out. he lived with me for 6 months. I have never heard of putting peroxide but I would be afraid to add any chemical like that to my tank, where did you read that. Someone on the board once said they cut the tops off and feed it to his fish, is that possible, or a little too brutal. What fish do you have in there?
TREY: I have heard of using kalkwasser but I don't know what it is, can you give a brief explaination?
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