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Building An Osmolator

Inside the Tunze Factory: How the World’s Best ATO is Made! | Euro Reefing Roadtrip

Ever wondered why the Tunze Osmolator has been the most trusted Auto Top-Off (ATO) system in the saltwater aquarium hobby for nearly 40 years? Join Mark as he travels to the Tunze factory outside Munich, Germany for an exclusive behind-the-scenes walkthrough with Felix! Discover why the Tunze Osmolator Auto Top-Off (ATO) has been the gold standard in the saltwater aquarium hobby for nearly 40 years as we explore their in-house manufacturing process—from custom plastic injection molding and precision motor coil winding to ultrasonic-welded impellers and German-made tubing.

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