Return pump question

[Fishcrazy06]

I am limited on the amount of room I have to install my return pump onto my stock tank. My question is can I use a 90 coming out of the sump then going into the pump. All of the plumbing is 1.5"

The pump is a reeflo barracuda and will be throttled back as well. I am hoping with it being throttled back it will help prevent it from cavitating.

Thanks in advance.

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[sqcube4me]

if you throttle it back to much it will cavitate .. how many gallons are we talking about here ..

 

[Fishcrazy06]

Why would it cavitate from throttling back? Never heard of that before. Is a reeflo barracuda which his 4500gph. Will be pumping up 8ft originally then a 90 and a ten ft run to another 90 to about a 8ft run and then another 90 and up another 4ft or so.

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