This package includes the Tunze Osmolator Metering Pump, Tunze Osmolator 3 Meter PVC Hose 5000.390, and Inland Seas Citric Acid Pump Cleaner (2 oz). When replacing your pump, you can also replace the PVC Hose. The Citric Acid should be used to clean the water sensor. It will remove calcium and mineral buildup.

The Tunze Osmolator Metering Pump 5000.020 is a replacement for the pump that comes with the Tunze Osmolator 3155 Water Level Controller and the Tunze Osmolator 3152 Nano Water Level Controller.

To use the Citric Acid, just create a liquid solution with the Citric Acid, and after a quick soak, deposits will start to dissolve, requiring minimal effort for complete removal.

The Tunze Osmolator 3 Meter PVC Hose 5000.390 is replacement hose for the Tunze Osmolator 3155 Water Level Controller and the Tunze Osmolator 3152 Nano Water Level Controller. 3 meters long.