These are great little machines aimed at the budget conscious and those who don't need a computer interface. Ideal for hobby gardeners, schools, etc. Even large commercial growers use them - particularly for water pre-treatment (pH) or if they have a trial area with a number of reservoir tanks.

The new Mini Doser can work in units of EC, CF or TDS. The complete kit comes with a sensor and two economy solenoid valves pre-wired on a small panel.