I always try to stay away from too much automation with my tanks. However, I do believe aquarium controllers and automated monitors are very important.
Over the years I have used both two-part dosing and calcium reactors for calcium & alkalinity supplementation. For this tank I decided to go with a reactor.
On several occasions my skimmer overflowed without warning and nearly dumped skimmate into my sump. A DIY float switch can help prevent a disaster.
Here are my initial thoughts and impressions about GHL’s Profilux 4 controller after making the switch from Neptune’s APEX controller.