Why do nitrates keep declining despite daily dosing in my reef tank

WILMER
Wilmer Villanueva
@WILMER · 14 hours ago

Can someone help me understand why I can’t keep nitrates up it keeps declining. Also I’m dosing 3mL daily on my 32 AIO is that enough? I haven’t done a water change in about a month phosphate is at 0.03

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What’s your nitrate testing at before dosing?

5.4ppm

Last reading was at 3.4 I’ve been struggling for a while to keep nitrates up

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