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- Nov 10, 2019
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Started cycling April 14th with the Waterbox Cube 20, 15lb dry rock, bare bottom. Used the Brightwell Dry Rock Cycling kit that came with start xlm, the ammonia, and microbacter clean. According to the box, it would cycle in about a week if following the directions. Tested every day for ph, ammonia, and nitrite and took awhile for ammonia to cycle down to 0 but it finally did. The problem that for about 6 weeks the nitrite will not come down to 0. It was at 1ppm for almost that entire 6 weeks until the last couple of days it’s at 0.2. We’ve done water changes, bumped up the heater to 80, added a Nero 5 powerhead. What else should I try?