Pond water quality test - Sera KOI aqua-test box Water testing for experienced pond keepers.
Experienced pondkeepers regularly test the water in their ponds. This makes it quick and easy to take preventive measures, for example against algae, without the use of chemicals.
The sera koi aqua-test box contains the following tests to determine: -pH level, - general hardness level, - carbonate hardness, - ammonium/ammonia, - nitrites, - nitrates, - phosphates, - iron content, - copper content.
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