Pond pH Buffer is designed to buffer outdoor ponds effectively and without the use of algae-promoting phosphate. Pond pH Buffer will more effectively raise and hold pH in heavily stocked koi ponds than crushed coral or baking soda. Pond pH Buffer will buffer pond water between 7.2 and 7.8, but not past it.
Item # Description Ship Weight Price 11622370 Pond pH Buffer, 1kG treats 2,700 gallons 2 lbs. $18.95 11622380 Pond pH Buffer, 2kG treats 5,300 gallons 5 lbs. $35.95 11622390 Pond pH Buffer, 4 kG treats 12,800 gallons 9 lbs. $58.95

Pond Acid Buffer is designed to lower pH in garden ponds safely and without the use of caustic acids or algae-promoting phosphate. Pond Acid Buffer is very effective at lowering the pH in concrete ponds. Always test pH and hardness before treating with Pond Acid Buffer. Begin with a half or quarter dose to test effectiveness before increasing to full dosage.
Item # Description Ship Weight Price 11622470 Pond Acid Buffer, 1 kG treats 2,700 gallons 2 lbs. $23.89 11622480 Pond Acid Buffer, 2kG treats 5,300 gallons 5 lbs. $44.89 11622490 Pond Acid Buffer, 4 kG treats 12,800 gallons 9 lbs. $68.89