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Tropic Marin Potassium-Test professional

Tropic Marin Potassium-Test professional

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K+ Pro- Potassium-Test Professional for saltwater aquariums


·          Measurement range: 300 - 500 mg/l (ppm) 

·          Accuracy:5 mg/l 


About potassium:

Potassium is a vitally important macro-nutrient for all living beings. In natural ocean water, this alkali metal is present in an average concentration of 408 mg/l. Ina saltwater aquarium, the potassium concentration is usually kept stable by regularly changing the water. Nevertheless, a lack of potassium can occur in individual aquariums tanks due to the use of zeolites and other adsorbents. One sign of a possible lack of potassium is clear discolouration of corals and retraction of polyps. The potassium level in a saltwater aquarium should be checked regularly to ensure that the level is between 380 and 420 mg/l.


Contents of package

·          12 ml/ 0.40 fl.oz.“Standard“ (400 mg/l)

·          25 ml/ 0.85 fl.oz. of reagent A

·          25 ml/ 0.85 fl.oz. of reagent B

·          5 ml /0.17 fl.oz. of reagent C

·          30 ml/ 1.01 fl.oz. of reagent D

·          2 glass cuvettes 10 ml

·          3 dosing syringes 1 ml with syringe tips

·          1 instruction for use


How to correct unfavourable values

To increase the potassium concentration in case of values that are too low, were commend using Tropic Marin® Potassium to adjust the potassium level to the natural level again and to produce an increase in the vitality of diverse corals as well. 

If the potassium level in the water is too high, we recommend doing a partial water change.



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