NITRITE Test Kit
Nitrite is a toxic chemical being constantly produced in the ponds nitrification process. 0 ppm - 5 ppm
Testing your Koi Pond water is extremely important.
The water parameters in your pond can change over night - be aware of this if you don't want to go down to the pond to feed the fish etc and find that you have a major problem on your hands .. make it a rule, even if you believe that all is well - to test your water on a regular basis .. that way you will be alerted to any changes as they actually happen and be in a position to do something about it.
AP-NITK
LIQUID Nitrite Test Kit (180 Tests)
$ 6.99
More Test Kits ↓

Water Testing Kits are important to keep on hand so you can keep your Pond in Optimal Condition. Always knowing where your Pond Levels are is the first step in keeping your Koi Healthy by allowing you to take corrective action before little problems become serious.
Testing your Koi Pond water is extremely important.
Qu ...

Water Testing Kits are important to keep on hand so you can keep your Pond in Optimal Condition. Always knowing where your Pond Levels are is the first step in keeping your Koi Healthy by allowing you to take corrective action before little problems become serious.
Testing your Koi Pond water is extremely important.

Water Testing Kits are important to keep on hand so you can keep your Pond in Optimal Condition. Always knowing where your Pond Levels are is the first step in keeping your Koi Healthy by allowing you to take corrective action before little problems become serious.
Testing your Koi Pond water is extremely important.
Th ...

Water Testing Kits are important to keep on hand so you can keep your Pond in Optimal Condition. Always knowing where your Pond Levels are is the first step in keeping your Koi Healthy by allowing you to take corrective action before little problems become serious.
Testing your Koi Pond water is extremely important.
Us ...

Water Testing Kits are important to keep on hand so you can keep your Pond in Optimal Condition. Always knowing where your Pond Levels are is the first step in keeping your Koi Healthy by allowing you to take corrective action before little problems become serious.
Testing your Koi Pond water is extremely important.
Th ...

Water Testing Kits are important to keep on hand so you can keep your Pond in Optimal Condition. Always knowing where your Pond Levels are is the first step in keeping your Koi Healthy by allowing you to take corrective action before little problems become serious.
Testing your Koi Pond water is extremely important.

Water Testing Kits are important to keep on hand so you can keep your Pond in Optimal Condition. Always knowing where your Pond Levels are is the first step in keeping your Koi Healthy by allowing you to take corrective action before little problems become serious.
Testing your Koi Pond water is extremely important.