This selection of 5 tests is just what you need to monitor the important factors in your freshwater fish tank. The kit test p H High range p H Ammonia Nitrite & Nitrate. It
Includes:: laminated computer calibrated colour cards that are easily interpreted & 4 test tubes with snap seal caps for your reactions. The reagent bottle contain child proof caps too for safety. Easy to follow instructions are included & tips on how to correct any wayward levels.