why not drill the back, make a closed loop and run the sea swirls off one pump, use a smaller pump for the return pump ?? just an idea, I made a closed loop in my 180 and it made the plumbing a lot easier and cleaner
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aga 180g dual overflow 77g sump, mak 4 return, dart pump for closed loop 3 250w se 15,000k mh, 4 80w t5 250 vertex skimmer,3l vertex zeo reactor, marine tech cal reactor.regal,powder brown and yellow tangs, chromis eyelash blennie blue mandran, slowly filling with SPS
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