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Biological filter white Crystal Clear cartridge
amino acids
In advanced cases they swim with the gills permanently opened and they can even die
which has a surface area equivalent to a football pitch
Colombo Pond Test Lab Professional Biological filter white Crystal ClearThis Colombo Pond Test Lab Professional will test for the six main water parameters: pH, GH, KH, NO2, NO3, & NH3. The Kit included test tubes, instruction card and record form which make water testing very easy. Colombo Water Test Kits come with convenient plastic case for ideal safe storage. You can also use the Colombo test strips for quick indications. Colombo Test Lab includes: pH Acidity (40 tests)KH Carbonate Hardness (25 tests)GH General
