Eheim Jager Heater Review, Setup, & Calibration

[@DrSKMetz]

I've had some of these running for decades without a problem. On the looks, I put them in an inexpensive black cover off Amazon and they disappear against a black background.

[@shawnkelly5374]

Welcome back Chris

[@themortimerclan2187]

he's back

[@turtleanton6539]

😊yeeh😊

[@Bigpoecilia]

You missed the Calibration.