Tunze Osmolator Nano 3 ATO - 3151 Coralvue Hydros Replaces the ROCK SP1

Replaces the ROCK SP1

5" / 26 cm long filter bag fits standard 4" / 10 cm filter bag holders

It combines a rounded glass aquarium

The Red Sea ReefWave 45 Pump is a high-flow smart gyre-style wave pump for larger reef aquariums

Tunze Osmolator Nano 3 ATO - 3151 Coralvue Hydros Replaces the ROCK SP1Tunze Osmolator Nano 3 ATO 3151 The Tunze Osmolator Nano 3 ATO 3151 is a compact automatic top off system for smaller aquarium systems up to approximately 250 litres or 66 US gallons. It uses a single precise optical water level sensor, selectable maximum dosing duration, a quiet 12 V dosing pump, hose, holder, magnet mount, and sensor protection cover for simple freshwater top off control in nano and small aquarium setups. Tunze Osmolator Nano 3 for