Pond Water Test Kits

How To Test Your Pond Water

Testing your pond water with a testing kit is super simple. These kits come in 3 common testing methods: paper strips, drops, and digital testers.

Paper Strips

If you are using paper strips, give it a good dunk and swish in the water. The paper will then turn different colors depending on what the current balance in the pond is. The box your paper testing strips came in should tell you what each color means.


Dropper testing kits come with a vial to hold the pond water and a chemical solution to test the water. Follow the instructions on the back of the box and scoop the required amount of water into your testing tube. Then add the appropriate amount of drops to the vial and compare the color according to the manufacturer’s instructions.


The great thing about digital testers is that they can be used over and over again. Just dunk the testing end into the water and it should let out a beep to let you know it successfully gathered a reading. The digital displays clearly show the exact balance of chemicals in your water.

What Should You Test For

When testing your water, you need to make sure you are checking all the chemical levels in your pond. Proper testing ensures you will catch any potential threats before they become a serious problem. Most issues can be regulated through prevention with proper filtration, or by slowly replacing the water if you notice a buildup of toxins. Fortunately, we’ve compiled a checklist of things you should check for.


Nitrite is caused by the breaking down of organic matter. It is very toxic to fish and is known to limit their ability to carry oxygen through the blood. Nitrites can lead to death from damage to the immune system.


Ammonia, like Nitrites, is also very harmful to your fish. This gas is the result of fish waste in your pond breaking down over time. It can cause damage to your fish’s gills, impair functions, and also cause death. Nitrites and Ammonia are the 2 most harmful chemicals to your fish.


Do not confuse Nitrates with Nitrites. While they are both harmful to your fish, Nitrates are much less toxic than Nitrites. Nitrates can lead to an increase in pond scum and algae, and the best way to fix it is with a fresh change of water.

pH Level

Maintaining a proper pH balance is necessary for healthy fish and plants. An acceptable range is a balance between 6.0 and 8.5. Anything outside that means you should make adjustments with pH Water Treatments.

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