The DŌS is a multi-purpose dosing and fluid metering system designed with the highest quality and simple Apex Fusion software wizards for operations such as 2-Part Dosing, Additives Dosing, Automatic Water Changes, Micro-Quantity Dosing, and Liquid Foods/Supplements delivery. This system connects to any Apex via its AquaBus connection, offering unparalleled ease of use and functionality when compared to standalone devices. And Apex Fusion software updates will continually expand its capabilities. The DŌS measures 9.5" x 5" x 5" and weighs 4 lbs, with a lift height of 24ft and suction height of 24ft, and a variable flow rate of 0.1ml-250ml/min. Power requirement of 110/120V and 220/240V, with Apex, Apex Lite, or Apex Jr. needed.