We use those modules, UV, mechanical, chemical, but we use them vertically.
Yes if your sump is that remote you are going to need much more pump, because you'll have much more head pressure to overcome.
I work with, and have worked with, several main floor tanks with basement sumps, and all have large pumps.
You still want to turn your water 8-10 times per hour, and most pumps have charts with their gph ratings with different head heights. Choose the pump that gives you the
flow rate you need, in consideration of how many feet of head you are pumping.
HTH
Jenn
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LFS Owner:
Imagine Ocean

Just keep skimming, just keep skimming, just keep skimming, skimming skimming! What do we do? We skim, skim, skim!