Aquarium Plant Fertilizers. Means against algae in aquarium. Express-tests for control of water parameters

AQUAYER Yermolayev`s fertilizer Potassium+ 250mL

AQUAYER Yermolayev`s fertilizer Potassium+ - concentrated fertilizer for aquatic plants containing potassium. Necessary for new aquariums with plants, as well as for older aquariums with plants demanding high potassium content in the water. Part of Yermolayev`s system of fertilizers for aquarium plants (see infographic below).

Symptoms of potassium deficiency

Small round holes appear on the leaves. Yellowing of older leaves and their subsequent extinction.

дефицит калия в аквариуме

How to use

The dosing of Yermolayev`s fertilizer Potassium+ should be the highest in new aquarium (0-1 month) – 1-2 mL per 5 L of water in aquarium weekly. Apply the fertilizer after weekly water change. The same dosage should be applied in mature aquarium (1-18 months) but calculated to volume of water for water change. In case of potassium demanding plants the dosage can me increased to 3 mL per 5 L weekly. The dosage for old aquariums (more then 18 months) can be considerably lower.
For determination of aquarium type use infographic of Yermolayev`s methodology:

система ермолаева инфографика

Volume: 250 mL


Potassium (К+) 50 g/L

3 years at temperature below 30 °С

TU U 20.5-3053410712-001-2012

AQUAYER Yermolayev`s fertilizer Potassium 250mL for planted aquarium

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