nw1411 Posted April 5, 2004 Share Posted April 5, 2004 Hi guys, I have about a dozen M.Estherae fry in a grow out tank. Water check last night and the Nitrites were quite high (levels are normally good). I did an immediate water change....How often can I keep doing them (daily?) The fry are about 1.2-2cm and seem fine at the moment. Cheers Nath Link to comment Share on other sites More sharing options...
Willy Wombat Posted April 5, 2004 Share Posted April 5, 2004 This is just off the top of my head But - If you are going to be doing more than two 20% changes per week, i would make sure that the water was aged prior to changes, same temp, same ph, buffered, salts added, etc. Otherwise you might start shocking the fish and doing more harm than good. Keeping nitrates down in a fry tank is a good idea! Link to comment Share on other sites More sharing options...
Mbuna Posted April 5, 2004 Share Posted April 5, 2004 hi nath, some people do up to 60% water changes per day to achieve good growth rate. As willy said, you would have to age the water before hand. cheers Harry Link to comment Share on other sites More sharing options...
Ducksta Posted April 5, 2004 Share Posted April 5, 2004 SO its nitrItes? If you have nitrite issues, then your filter on this fry tank is not coping with the bioload (not cycled properly) Water changes will help short term, but you need to fix your filter issues. If it is nitrate, then water changes more often are better. Link to comment Share on other sites More sharing options...
Willy Wombat Posted April 5, 2004 Share Posted April 5, 2004 Oh whoops - me eyes are starting to go bad ducksta. Like ducksta said.... Nitrites - problem with filter Nitrates - water changes Link to comment Share on other sites More sharing options...
CThompson Posted April 6, 2004 Share Posted April 6, 2004 I do 80-90% water changes on my fry grow out tanks, but I use pre-conditioned water to replace what is taken out. I have never had an issue, even with fish that are still attached to eggs. Craig Link to comment Share on other sites More sharing options...
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