SpectraPure® Ultra-Precise ATO holds your tank’s salinity constant while adding replacement water or Kalc in small doses. The pump can operate in either “fill mode” or “drain mode” when the water level changes. The Sensor Tube can be pre-set to operate with a minimal (0.1") change in water level up to a 4" difference. This calibration is saved even after a loss of power.
The ATO runs on a ten-second cycle. The pump can be on for any number of seconds each cycle, including zero (always off) and ten (always on). After the Ultra-Precise ATO is powered up, use the UP and DOWN buttons to adjust the ON-time in 10% steps. (This value is also saved even after a loss of power).
The pump used in the Ultra-Precise ATO is the same pump that is in the LiterMeter III™ , the leader in aquatic dosing for over 10 years. Now with our new improved, long life Peristaltic tubing. This is the quietist, most reliable Peristaltic Pump ever made.