Join Date: Jan 2012
Location: Indianapolis, IN
next time you cycle a tank, try a fishless cycle. it's better for fish and will be sure that you don't kill anything (fish OR inverts). try searching it on the forum for details on how it works.
two weeks isn't very long for a cycle, unless you have old filter media in the filter, or substrate from an established tank, it probably won't happen that quickly. it's a good idea to test every day or every other day and keep up with water changes when ammonia/nitrite/nitrate gets too high.
i'd dose your tank with prime to neutralize the ammonia/nitrite/nitrate until your tank is cycled. this will keep your fish healthy, and the ammonia/nitrite/nitrate will still show up on test kits. don't add any more livestock until your tank has cycled fully. when it's cycled, the readings will be 0 ammonia, 0 nitrite, and something nitrate (hopefully under 40 PPM).