EHEIM climacontrol+ SYou can use EHEIM climacontrol+ to cool down the water temperature on hot days or warm it up on cold days, just as your aquarium inhabitants need it. EHEIM climacontrol+ is our new electronically controlled climate control device. You simply set the ideal water temperature wirelessly via smartphone, tablet, or PC MAC. If the water is too warm, the unit automatically cools down, and if it gets too cold it warms up. The unit monitors and controls