XP Aqua Ultimate ATO - Complete 4-Sensor ATO System Planted Tank Tools Measure specific gravity with a

Measure specific gravity with a hydrometer or refractometer and adjust carefully if needed

Curve 3 Extreme Compact Skimming Features

Filter chamber dimensions: 5" L x 3

Best use: Planted aquariums

XP Aqua Ultimate ATO - Complete 4-Sensor ATO System Planted Tank Tools Measure specific gravity with aXP Aqua Ultimate ATO System With 2 X dual optical sensors, the Ultimate ATO is the first ATO to include 4 sensors. The 4 sensors allow us to design a dual stage overfill alarm that is less intrusive as well as a run dry protection feature that prevents your sump from running dry: which is also a first. The Ultimate ATO's versatility is also unmatched. An efficient DC pump is included for a standard installation. If you require a larger ATO pump for a