D&D Dual Heating and Cooling Controller Eheim Calcite (a more brittle crystal

Calcite (a more brittle crystal structure of CaCO3)

allowing for safe

and minimal over skimming

60ml of KH Buffer

One-touch feed mode - slows pump for a period of 10 minutes

D&D Dual Heating and Cooling Controller Eheim Calcite (a more brittle crystalD&D's Dual Heating and Cooling Controller allow you to have precision control over your aquarium water. It also has 2 modes which allow you to control both heating and cooling at the same time. The main unit features a double mains power socket (one power socket for heater control and the other for fan chiller control) and a display with a temperature sensor (used to set and display temperature and alarms and measure temperature). The plastic coated