Dan1789
Well-Known Member
I have a 90g system with a trigger systems 36 sump. Currently I'm using a mag 12 pump, but its loud, hot, and often doesn't want to restart after a water change. I'm thinking Eheim but which one, the 1260 or 1262?
Which pump for 90g
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Eric B
Well-Known Member
You can't go wrong with either Eheim you have posted but I would go with the 1262 and you can always put a ball valve in to dial back flow if needed......Eheim will be super quiet and transfer minimal heat as compared to your current mag 12 and last longer.
mcarroll
10K Club member
A new impeller may be in order for the Mag 12 - take a good look into the impeller well with a strong flashlight to look for damage or buildup too. Might be easier to see if it's thoroughly dried first. Honestly, if none of the above, it sounds like a cracked impeller or maybe a swollen/scratched magnet. I wouldn't count the Mag 12 out just yet.
If you're willing to deal with the heat issue by switching to a smaller pump/less flow you could probably get away with running a Mag 7 or 9.5 just as well as a 1262. (Depending somewhat on your plumbing.)
Even ball-valving the Mag 12 down to Mag 7 performance levels should make it use less power/run cooler if you don't necessarily want to spend on a new pump. ~400 gph of actual throughput should do the job.
The 1262 should deliver performance somewhere between the Mag 7 and 9.5 FWIW.
None of these pumps should be audible unless you're listening right next to it.
-Matt
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