Archaic37 Posted September 9, 2012 Share Posted September 9, 2012 My tank has been cycling for 11 days now (water readings) and I have had a constantly high nitrates. I changed 25% of water yesterday and watched the nitrates drop to 20 but then today they are back up to closer to 40. Is this because I have been using distilled water instead of RO/DI? Link to comment
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