This week on AmericanReef, we head back over to Mike Paletta's and discuss and demonstrate the benefits of adding a Tunze 5074 Calcium Dispenser to the sunlit tank. If you are using the Tunze Osmolator as your Kalkwasser ATO with the pump submerged directly into the limewater, you are most likely shortening the life of that pump. Using this dispenser will help eliminate that problem. As always, send all questions to [email protected]