Quickly and accurately measures the pH of pond water, reading pH levels from 5.0 to 9.0. Makes 160 tests. Prevents the harmful effects of too alkaline/too acidic pond water resulting from minerals found in tap water, high ammonia levels in the pond, rain runoff or overstocking of pond fish.
Includes test solution, glass test tube w/ cap, color chart & instructions. 160 Tests
NEVER install an air pump BELOW water level! (Unless you install a check valve in the line!) If at any time your power supply to your air pump is interrupted, water will back siphon down the delivery tube and flood the pump workings, rendering the pump inoperative.