new return pump suggestions

Can't go wrong with an Eheim hobby pump.
I have been running my eheim pump on my 90 gal since 1997 can't kill the pump.
I have replaced the impeller twice and O rings several times but still running strong.
 
You kinda answered your own question. "Mag 7 that's been used for 10 years". I use a mag 18 and really haven't had a reason to change. I would get a grounding probe with any pump you decide on. I've never heard anything negative about an eheim so that would be a great option as well.
 
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