Question about dosing ZeoVit products.

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Originally Posted by The Grizz

My sump volume is 65 gal + 165 gal DT = total water volume is 230 gal.

Yes but how much water do you actually have? Most sumps run around half full I would guess so call yours 35 or so? Then in your display there is probably only ~140 gallons of water after you subtract rock displacement etc. So I would base your dosing, Zeo or otherwise on ~175 g system and not a 230g system.

And I agree with Milad, start with half doses for zeo.