OK my theory on the whole thing, forget trying to link them in series and put them in parallel. get one big pump and have it go to 3 outputs (one for each tank with a ball valve on each to tune the flow. then have each tank return to the common sump. this is what I have for my 25 gal except I use a separate pump in the sump for it.
Steve
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 *everything said above is just my opinion, and may or may not reflect the views of this BBS, its Operators, and its Members. If cornered on any “opinion” I post I will totally deny having ever said this in a Court of Law…Unless I am the right one*
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