Quote:
Originally Posted by Spyd
With such a large tank, you could easily drop down to bi-weekly water changes. I do 40G water changes bi-weekly on my heavily stocked 180g SPS tank. 40G bi-weekly, for your setup, should definitely be enough.
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Agreed. You'd be better doing 40g every other week instead of 20/wk. I do 50g /biweekly and I'm satisfied with that.
BTW, you can't change too much water
You can spend too much money doing it, but bigger water changes are never bad.