Quote Originally Posted by ReeferRob View Post
Hey Pat, I was wondering how you calculate exactly how much sodium carbonate and/or sodium bicarbonate you put in your ATO resy. You mentioned that you do this to help control pH and alkalinity for the display right?
RR, I put about 1 oz of sodium Carbonate and 2 oz of sodium BI-carbonate in every gallon of topoff water. Seems to work well for my system!