NtLabs Pond Health Check

NtLabs Pond Health Check

  • £12.95
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NtLabs Pond Health Check

Tests pH, nitrite (NO2) and ammonia (NH3).

Full instructions are included to help ensure you carry out the tests correctly, and to help restore perfect water quality should a parameter be incorrect. 

What is ammonia?

Ammonia is excreted by the fish as a waste product. It is extremely toxic to fish, but is broken down into less toxic nitrite by the beneficial bacteria in the filter of your pond. Ammonia is most toxic to fish when the pH is alkaline and the temperature is high, so it is most dangerous in hard water ponds.

What is nitrite?

Nitrite is produced by the beneficial bacteria in the pond and filters as they break down harmful waste ammonia excreted by fish. Although not as toxic as ammonia, nitrite is still very damaging to the health of the fish. Nitrite itself is in turn broken down into nitrate, which is much less harmful to fish.

What is pH?

pH is the measure of the acidity or alkalinity of the water in your pond. The pH scale runs from 1 to 14. Very acidic water is pH 1 and very alkaline water is pH 14. Neutral water that is neither acidic nor alkaline is pH 7.


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