Quote:
Originally Posted by Reef Pilot
OK, to cut through the chase... Do you believe that changing 1.75 gal per day (ie 16% total vol over 3 weeks) on a 235 gal system is a good regime?? Yes, or no.
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i would shoot for 1-2% or around there per day , be it in large or small. its the large or small part i dont think matters if your looking at it from a removal of nutirents point of view
