Dennerle Carbo Care Pro is a active carbon fertiliser for accelerated plant growth and an alternative to an CO2-fertiliser system.+ effective supply of readily available carbon+ contains no other fertilising substances+ improves the ability of plants to compete with algae+ accelerates the plant growth+ visible success after only a few weeks+ can also be used with an existing CO2 fertiliser system+ save for fishes and invertebratesDosage of Dennerle Carbo Care Prodepends on the quantity of plants and their needs add 2-4 ml per 100 litres of water dialy. Do not exceed dosage! If the dosage is significantly exceeded by accident, carry out a partial water change immediately and aerate the aquarium water if necessary.250 ml are sufficient for 12,500 litres of aquarium water500 ml are sufficient for 25,000 litres of aquarium water.