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- Sep 2, 2026
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i have a small fluval evo 13.5 reef tank i started cycle 1 month ago caribsea rock and live sand ammonia has gone but nitrite through roof not changed since start done a 20 and 50% water change since start i used dr timms 1st day set up not had light on added ammonia to try help but still dark red in 3 differant test kits even in aquatic shop ph 7.7 how do i get nitrite to 0 please help
