Quote:
Originally Posted by waynemah
Since it's to the point where there are casualties, it might be a good idea to try and reduce the nitrates fairly quick.
I would perform a 20% water change every 2 days until the nitrates are in check. During this time look for the cause of the nitrates and look into a long term solution for the nitrates.
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Agreed, I only meant for a very large water change, 80% etc.
If the fish are already stressed from the high nitrates, adding in the stress of acclimation to a very large water change isn't the best option, unless you have no choice. In which case, you do what you have too.