A dozen or so come to mind. We haven’t tried them all but we have tried a few. All things considered, our choice is Instant…
We have extended the period to every 2 months. No deleterious impact on the fish or corals that we can see. We make-up 50 gallons…
For the 140 gallon system, we have been undecided about a freshwater top off system because we were undecided about adding an external refugium. Initially,…
A problem with reef keeping is the terminology. For lack of a better term, the industry uses, “top off” or “topping off”. Over time, depending…