A few days ago, I got and installed the Aqua Medic auto top-off system "AM Refill System Easy", which was less expensive than many of the leading brands (Tunze, about 84 euros). Installing was easy it works very nicely. The magnet holder is on the small side but does the job. The cool blinking green light of the apparatus looks cool at night (as shown in the pic on the box.
They seem a solid German company. They make a lot of stuff related to reef tanks and more. I have their Wavemaker, which is very compact and effective.
They seem a solid German company. They make a lot of stuff related to reef tanks and more. I have their Wavemaker, which is very compact and effective.