Contains nitrifying bacteria that effectively breaks down harmful substances in your aquarium. It can be used during your cycling process and also when maintaining your tank. Completely harmless to all aquatic organisms as well as aquatic plants.
Volume: 250mL, 500mL, 1L, 4L
Regular maintenance：100 liters of water add 10mL.
When new setting tank / nitrite increase / sterilization after treatment:
100 liters of water add 200mL.