Help! I'm a newbie and yesterday did my 1st water change. My tank is 2 weeks old and is a 29g. I got RO water from a friend and just have a 4# lr right now as my other 30#'s of LR is curing at lfs-salinty is at 24, 0 ammonia and nitrite is at .50 which were the parameters yesterday before I did the water change. I have a clown and a royal gram, both have been great no problems but this am the gram has been at the top, tail is down and fins have a white spottiness. Of course it's Labor Day and lfs is closed-
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