How to limit ammonia in a QT tank?

Neptune 555

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Aug 7, 2016
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How do I keep ammonia down in a QT tank? Is prime the answer? I am doing TT but in the three days between water changes how do I ensure I don't get an ammonia spike? Currently I have a 20 gallon QT with a foxface, 3 chromis, and a yellow watchman goby. I added 3 small pieces of LR to help reduce ammonia by introducing bacteria. But I dont think it is enough? ideas?
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