<a href=showthread.php?s=&postid=13346681#post13346681 target=_blank>Originally posted</a> by Reefaquariumnut
I ordered up a Aqua UV 80w dual bulb 2" union system yesturday. I will plumb it off my overflow and into the refugium.I didn't want too big of a system for the tank as I just need it to prevent diseases and diatom blooms and such. I have 100mg Ozone unit hooked up to my skimmer which will help in there matters.
Also, I am thinking about adding 500 gallons of capacity to my tank in the garage. The question I have is how much flow do I need going through that storage tank? I will have around 200 lbs of sand and 200 lbs of rock. It might add mangroves, sponges, cheato, filter feeders, small fish, inverts, and maybe coral to big for frag tank but not ready for display.
The garage is around 25' from the tank and about 10' above the tank. Would i plumb this from the tank sump up to storage tank and gravity feed back to sump? Would I need like 600gph+ going through the storage tank? would a 22' pressure rated pump work? Just VHO lighting over storage tank? anything else i'm missing?
On another note...The OM-4 is working perfectly after i put 6" clear cylinders around the drains. This cleared the sand away from the drains and no more clogging.