Safely raises pH levels.  Dosing: Add one oz. per 375 gallons of pond water for every .1 pH unit increase desired.  Apply Microbe-lift pH Increase in several steps and measure increased pH before next addition.  If your pond contains fish and/or plants, do not dramatically raise your pH levels more than .5 pH in a 24 hour period, as not to shock aquatic life and/or fish.  Follow package directions.