Micro-computer controlled user friendly interface allows aquarist to add from 1ml to 1999ml of a liquid supplement daily from each channel. Larger daily volumes of fluid can be broken up into smaller equal doses throughout the day.
As is, this pump controls 3 channels This dosing pump can be expanded to control up to 11 channels, or 11 different supplements.
3 meters of long-lasting, durable medical grade tubing is included.