Pond Water Testing Ensures Pond Ecosystem Health

Testing your pond water is an important step in keeping your pond's ecosystem healthy and free from undesirable elements. Below is some great information about why to test, how often to test, the kits you can buy, and what chemicals are important to eliminate from your pond.


Regular testing can prevent potential problems before they become uncontrollable. If you test your pond and notice a possible issue, you can take steps to ensure the pond's overall health. Most of the time, preventing a possible problem is a lot less costly than having to fix one.

How Often To Test

If you decide to regularly test your pond water, it’s a good idea to test weekly. You can track the weekly tests on a spreadsheet or piece of graph paper. This will illustrate the frequent issues that should be addressed. For added protection and s, check your pond's water daily. Although this isn't necessary, you can be assured that any problem will be caught early on thanks to your vigilance.

Pre-Packaged Test Kits

Many pond owners enjoy the ease of a test kit. You can find the test kits for both koi ponds or garden ponds. The kits are relatively inexpensive, running around $10, and can be used for about 30 times before needing to be replaced. When you are buying your kit, however, be sure that the kit includes all of the elements that can be present in your pond, such as ammonia, the pH levels, nitrite, the temperature, chlorine, and copper.

Ammonia is naturally occurring, especially if you have fish. The ammonia is released into water when the fish’s waste disintegrates. Ammonia is deadly for fish if the levels are allowed to build up.

pH Levels

The levels of pH can greatly affect the life of your pond. If the levels are too high, the plants and organism will instantly suffer. If the levels are too low, the ammonia will not be converted in to nitrates as easily. Either way, it needs to be resolved very quickly to ensure the health of your pond's ecosystem.

While you need to find some level of nitrite in your pond, levels that are too high allow algae to overpopulate in your pond. Algae feeds on nitrite and can bloom easily with nutrients in abundance.


Depending on the life you have in your pond, the temperature of the water is just as important as the other elements. The temperature can altar the oxygen levels in the pond water and thereby affecting all the life living within. All of the life in your pond will benefit from regular temperature testing.


If you have copper piping or notice pennies in your pond, you should test the copper levels as well. The copper can damage your fish's gills and can harm the plants in your pond.


If your water is supplied by anything other than a personal well, then it’s a good idea to test for chlorine levels. The chlorine will kill off all bacteria in the pond, including the ones that are necessary to maintain a healthy ecosystem.