AHHHHHH!
Yesterday I did a partial water change
and today I came home and one of my neon tetras was DEAD!
Will the aeration and co2 escape really affect the pH so much that it will bring it up to 8.4????
or is that the oyster grit?
How do I find out what the kH is? Do I have to go buy some kind of test kit for that.
I am tempted to add the neutral regulater stuff after I see that one of my fish has died. But maybe it died from something else
Quote:
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The main idea is to avoid removing a significant fraction of the denitrifying bacteria all at once, this way you avoid a mini-cycle (NH2 spike).
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I see what you mean. So perhaps I should wait to get a submersible filter and place the old foam pad next to it, before I take out this one completely. The foam pad had all this debris coming out from it though, when I put it in the water. not sure how to avoid that..