program

I know coral enjoy the flow during the day time, but what about night? Do we lower flow for them? Do we lower flow for the fish to sleep? I know reefers didn’t worry about this when controllers weren’t a thing, but I’m curious where it stands and what everyone does.

Wanting to switch my light program to the BRS recommended for LPS dominant tank. Not happy with my current program as it has too much white, and far too many data points to adjust the white. In addition to the white light I'm needing to increase the PAR after testing, as I found the bottom was...

Can anyone help? I’ve gone through the manual and YouTube videos. It appears that my GHL is missing the “calibrate option” after selecting pH. Anyone know if there is a new method of calibrating the pH probes? What am I missing?

I've been considering altering my approach to fall in-line with one of the reef programs available. For example there's the Red Sea program, Zeovit, and Triton. What do people think about this? My approach has always been custom ... mixing brands, plotting my own course. But I can see the...