Pacific Sun Lighting Kore 5th Ultimate Aquarium Dosing System (AWC/ATO/Acrylic Stand, Dropdose) Five quiet and accuracy dosing pumps with adjustable flow Three modes: fast flow, moderate flow, and precise flow allow for Single dose 0.01ml (0.1ml accuracy using pharmed bpt Tubing) Single dose from 0.01ml to 6000ml - up To144 doses/day Different Tubing for fast flow (up to 150ml/min) and precise dosing (20ml/min precision flow rate) Ability to assign labels for each pump (for example: calcium, alk, trace Elements, vodka, etc.)