09-20-2010, 03:09 PM
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Originally Posted by carterbeans
THanks for your help so far, the fish were doing very well. Did many water changes :) My ich is back though, I have 2 mollies, one guppy and a white cloud. So with those fish is it best to do heat and salt? How much and how often are water changes needed? I've read that the meds can end up killing the bacteria and such in the filter, causing levels to go up. Is that true?
Sorry for asking so many questions, but I love the fish and would really like to do this all right.
Some medications can kill bacteria; some kill plants. Some kill certain fish too. Depends what is in them.
Livebearers (mollies and guppies are livebearers, you may know that but just in case not I mention it) can tolerate
salt, so salt plus higher temperature (up to 85F) will be OK. White clouds can manage the salt short-term, but the higher temp may finish them. Do not use any other medications if you do use salt.
With respect to lowering nitrite and nitrate, a daily water change of 50% with a good conditioner is best until the nitrite is below .25 ppm. Prime (made by Seachem) is a good conditioner during this process since it detoxifies ammonia, nitrite and nitrate and is to my knowledge the only one to handle all three. Obviously the salt has to be replenished at each water change, but only for the amount of water exchanged.
And a belated welcome to Tropical Fish Keeping forum.