JBL Test Combi Set Marin are 6 water tests to easily and precisely determine the most important water values in marine water, especially for fish aquariums. Add colour indicator and compare on colour chart or count the drops until the colour changes. Contains tests for carbonate hardness, pH value, ammonium/ammonia, nitrite, nitrate and phosphate. Comparator system facilitates the colour comparison and takes the inherent water colouring into account.
Contents: 6 water tests, comparator block, 3 cuvettes, syringe, measuring spoon, colour charts, analysis record sheets and instructions
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