How healthy is your pond for your fish/plants? With this handy little tester you can test the PH of your pond & adjust the PH of the water accordingly. Acid pond water can result in increased pollutants & a shortage of oxygen. Alkaline conditions can harm fish & damage plant life. Try to aim for a PH of 7.5. If the PH falls outside the range of 6.5
- 8.5, changes must be made!