A multi-purpose dosing and fluid delivery system of uncompromising quality combined with the simplicity of software wizards for operations such as:

2-part dosing (Calcium and Alkalinity)
Other additives dosing
Automatic water changes
Micro-quantity dosing
Delivery of liquid foods and supplements
Precise control guaranteed it will stay calibrated pretty much forever
Variable Pump seeds that made slow dozing rotations like calcium and fast dozing rotations like water change possible
Direct drive mechanism that will not slip, will not strip and will not grind to a halt
Stepper-motor in the DŌS has a MTBF (mean time before failure) of 5000 hours, up to 12x the lifespan of others
Secure, Large Diameter Tubing Connections that have sure-fit compression fittings that are virtually leak-proof