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1 - Water flow (volume)
including the aquariums listed below
With a modern sleek design
Magnesium chloride (anhydrous)
Tropic Marin Potassium Profesional Test Kit spare 1 - Water flow (volume)For high precision determination of the potassium concentration in saltwater 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. In a 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
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