Tunze Osmolator 3155

Tunze Osmolator 3 Auto Top-Off – Smart, Stable, and Built for Long-Term Water Level Control The Tunze Osmolator 3 Auto Top-Off delivers peace of mind with its high-tech water level regulation and foolproof design. Whether you're running a bustling reef or a low-key freshwater setup, this ATO system keeps your salinity—and your sanity—right where they belong. Tunze Osmolator 3: Reliable Water Stability for All Aquariums Consistent water levels make or break tank health. The Osmolator 3 ensures nothing breaks—not even your nerves during vacation. Smart Salinity Control: Maintains your aquarium’s salinity with laser-like accuracy. For Salt or Fresh: Works great on both reef tanks and freshwater systems. Plug-and-Play Design: No guesswork. Just install, plug in, and relax. Compact and Complete (Well, Almost) It’s an all-in-one unit—except the ATO reservoir. You’ll need to bring your own jug to the party. Fits Nearly Any Setup: Mount it in the sump or right on the rim. Strong Magnet Holder: Secure the sensor on glass up to 15mm thick. Clean Look: The unit stays out of sight and out of the way. Optical Sensor with Precision You Can Count On Forget the float switch nightmares. This optical sensor is laser-focused (literally) and built for reef reality. Features That Just Work Pinpoint Accuracy: Measures water levels within 0.5mm. Bubble and Scratch Resistant: Keeps working even when things get messy. Shielded for Safety: Protection cap keeps curious critters from tampering. Thermal Sensor Backup: Stops overfills before they start. The Turbelle Jet Pump That Powers It All Small but fierce, this pump doesn’t play around—especially when it comes to vertical lifts. Pump Performance Highlights Delivers Up to 20 Feet: Pushes water to even the tallest tanks. Run-Dry Protection: Auto shutoff keeps the motor safe. Built-In Blockage Defense: Continues running smoothly, day in and day out. Technical Specs of the Tunze Osmolator 3 at a Glance Sensor Max Glass Thickness: 15mm (0.59") Tube Holder Max Thickness: 22mm (0.87") Max Delivery Height: 6.2m (20.34') Tubing Size: 6mm OD | 3.9mm ID Tubing Length: 3m (9.84') What’s in the Box? Here’s what you get (and what you’ll brag about): Tunze Osmolator 3 Sensor Magnet Holder Turbelle High Jet Pump 12V DC Power Supply Tubing and Tube Holder Final Word on the Tunze Osmolator 3: Automation That Actually Delivers The Tunze Osmolator 3 is the set-it-and-forget-it ATO solution reefers rely on for daily stability. With smart sensors, a beast of a pump, and a design built for real-world tanks, it’s more than just an upgrade—it’s an essential.         Shop ALL Tunze brand products Tunze information post and recommended skimmers for your aquarium! Explore all ATO Kits available View ALL Aquarium Skimmers