Tunze Osmolator 3 – Advanced Auto Top-Up System for Reef & Marine Aquariums

The Tunze Osmolator 3 is the next-generation auto top-up system designed for precision, reliability, and ease of use. Perfect for reef and marine aquariums, it ensures stable salinity by automatically topping up evaporated water—keeping your tank parameters consistent and your livestock healthy.

This third-generation Osmolator comes equipped with an advanced optical sensor for ultra-accurate water level detection. Unlike traditional float switches, the digital sensor technology minimises the risk of overfilling or sensor failure. It’s compact, sleek, and magnetically mounted for quick and secure installation in sumps or display tanks.

The Osmolator 3 also includes a powerful yet quiet dosing pump and an intelligent controller with audio/visual alerts for added safety. An emergency level sensor provides backup protection, giving reefkeepers total peace of mind.

Key Features:

• High-precision optical sensor for reliable water level control

• Compact magnetic mount – easy installation in most sumps or tanks

• Includes quiet dosing pump and intelligent controller

• Secondary safety sensor for overflow protection

• Suitable for tanks of all sizes

• Plug-and-play setup – ideal for beginners and experienced reefers alike

Maintain rock-solid stability in your reef system with the Tunze Osmolator 3 – available now at Kraken Corals, your trusted marine aquatics specialist.