Best salt mix for a reef tank?
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 Ocean Reef Crystals. We make up 50 gallons at a time and usually change it…
Category salinity
Water change update
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 of salt water for each water change.
Fresh water top off
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, we installed a 60 gallon glass cube as the sump tank with the intention of…
Freshwater top-off
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 on a few factors such as room temp, humidity and system water movement, the freshwater…