Quote:
Originally Posted by sirruckus
this is a 90 gallon tank
the problem with 10% water changes, it would take 22 consecutive days to get Nitrates from 160 down to 16 (theoretically) provided nothing else impacts the levels
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That's assuming your nitrates don't continue to climb / increase along the way via heavy feeding etc.
The first course of action would be to find out what's causing your high nitrates and then come up with a solution and path forward. You don't necessarily want to drop your nitrates that far that fast, nothing good happens fast.