if you have any nitrite, you aren't "cycled" yet. If you have fish in it, change water to keep nitrite levels down. A tank may cycle faster w/o a wc but you could have dead fish. IMO, not worth it. Personally, I think that advice is bunk. As long as you have any nitrite, you will be growing nitrite-eating bacteria and if the level of either ammonia or nitrite gets too high, you may kill everything and have to start over.
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