JBL Ferropol Root 30 Tabs (Fertiliser Tab for Aquarium Plants Roots) Battery Pump and then you can reconnect

and then you can reconnect both hoses over a second y-piece

The replaceable DAY and NATURE LED tubes create an optimum light spectrum for plants and fish

Brilliant colour effects

there is food for the bacteria and they start to reproduce

JBL Ferropol Root 30 Tabs (Fertiliser Tab for Aquarium Plants Roots) Battery Pump and then you can reconnectConcentrated iron and minerals stored in tablet form to promote the root development of aquarium plants. Press one tablet per month deep into to the root area of the soil. 1 tablet 5 10 stems. Supplies plants with: nitrogen, phosphorus, potassium, iron, sulphur. manganese, molybdenum, zinc, boron, cobalt and copper in a plant available form. Reduces algae growth through optimal promotion of plant growth. No water pollution, since the nutrients remain