Söll 21 Elements 250 ml.
Söll 21 Elements
21 Elements contain water-soluble vitamins that serve as co-enzymes in catalytic activity of all important metabolic processes. When used regularly, deficiency symptoms are avoided, fish become more vital and plants are thriving. The filter effect is also optimized.
Application: Shake well before use. Dispense every 7 days directly into the aquarium. Add 10 ml of 21 Elements per 120 liters of aquarium water.