| 7 important water parameters with just 1 test14.59 €* | for 25 measurings of 6 values14.85 €* | exact determination of the pH value7.59 €* | exact determination of the nitrite content10.95 €* | 
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| exact determination of the nitrate content13.95 €* | exact determination of the ammonia content13.59 €* | exact determination of the CO²-Content12.59 €* | exact determination of the iron content19.95 €* | 
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| very precise phosphate test16.79 €* |