Potassium supplement, essential micronutrient for all plants.
Generally this element in aquarium is always lacking, and it is essential to reinstate regularly.
The lack dipotassium causes chlorosis of older leaves and the little exposed to light; also it can generate forms of necrosis in dark spots where the tissue degenerates.
The young leaves are very small and in some species the leaves turn yellow all (including ribs).
USAGE: 16 ml per week for every 100 L aquariums with lots of greenery; halve if the vegetation is poor or if there are slow-growing plants.