Supplement contains nitrifying bacteria. Specially selected bacteria strains will accelerate the removal of ammonia and other toxic organic compounds. It is extremely useful in newly established aquariums because it accelerates the start of the nitrogen cycle. BioS can be also successfully used in tanks in which the filtration system is based on probiotic bacteria. It is recommended to use also BioS at the introduction of new fish to the aquarium or after fish loss.

Dosage: 1 drop per 100 liters (27 US gal) daily for first 2 weeks of setting up the aquarium.