I'm sure the BRS and SW ones are, but can't tell if the first one is a marine version. Probably but not sure. Marine is slightly different than non-marine.
https://www.youtube.com/watch?v=-oWedD-WWX8
Premium Aquatics unboxes and installs our HOG1. This tank is actually too big for the HOG1 but the concepts are the same as smaller sumps and AIO tanks. And the algae the HOG grows not only filters, but can feed your fish too.
See...
Don't forget two things that reefers should think of right away:
1. Go DIY! The scene for PV panels is huge and you can build a nice panel for dollars.
2. Go NPS! Might as well learn now about huge feedings, and huge filtering.
Algae on the frags does not make the corals less "quality" however. You already had those cells in your water. It just means the frag's previous water had different nutrients.
Late welcome. You probably have it figured out by now. If not, some tips are: Get corals from local guys; special order from Nature Aquarium on SM Blvd; and make the special trip to the real coral place in the valley, oc, ie