API® POND pH Down® Flow Rate at 20 Feet of Head_850 GPH Full flow flap design reduces

Full flow flap design reduces friction losses and increases flow

5 4400AF 1 50

Medium flow and traps a lot of debris

Optional external pump connection

The rock pad is an extra thick 3' x3' nonwoven polypropylene fabric that can be laid down on the liner before you place those large rocks

API® POND pH Down® Flow Rate at 20 Feet of Head_850 GPH Full flow flap design reducesMakes Water More or Less Acidic As Needed! Slowly lowers pH of pond water, which can changed from day to day Will not harm delicate fish or pond plants Phosphate free and does not promote algae growth Test Water With Wide Range Test Kit Before Adding pH Down 16 oz. pH Down PondCare's Technical Reference Sheet States: Purpose And Benefits: pH is the measure of the acidity in pond water. A pH reading of 7. 0 is neutral, a pH higher than 7. 0 is