Easy Life Potassium-K is an essential micro nutrient at least as important as Iron.white spots in leaves or black pinholes are sign of a deficiency of Potassium-K.
Fast growing aquariums are most prone to these problems.

10ml per 100 Litres.
100% safe.

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Additional information

Potassium-K Fresh Water

1 L – Potassium-K 1 Litre, 250 – Potassuim-K 250ml