COLOMBO NITRATE TESTKIT NO3

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NITRATE FRESHWATER TEST KIT Colombo Nitrate Aquarium Test Kit (NO3), is produced from the breakdown of nitrite in the filter. Nitrate is relatively harmless to freshwater fish, but its presence can indicate a deterioration in the aquarium environment, and high nitrate will encourage algal growth. The only way to know what the nitrate level is, is by testing it with a Nitrate test kit. Colombo have produced test kits that are developed especially for freshwater. These tests give the best results! Show more