Cor 20 question

RJKain-777

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So I’m setting up a 340 gallon tank, the pump will have a vertical height of 6 ft and horizontal of 7. The sump will be on a stand behind the tank, the return will go up to the ceiling, then across the tank, and back down to the tank where it will return in . Will be using 1 inch PVC. I already have the cor 20 on my current tank, will it work or will I lose to much pressure?
 
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i have a 200 gallon with cor-20, 5ft rise and about four 90 degree bends, i get about 580-600gph
 
i have dual returns, each return pump plumbed to separate outflow. allows me to get my turn over while having a back up.

I have another 400 G system with vectra l2s, 1.25" pipe, about 20ft horizontal 5ft vertical and 6 90 degree bends (i know its horrible but i put it where i could fit it ;) and i get 1000gph. just a data pointso you can compare the head pressure graphs.
 
i have dual returns, each return pump plumbed to separate outflow. allows me to get my turn over while having a back up.

I have another 400 G system with vectra l2s, 1.25" pipe, about 20ft horizontal 5ft vertical and 6 90 degree bends (i know its horrible but i put it where i could fit it ;) and i get 1000gph. just a data pointso you can compare the head pressure graphs.
Yeah, my other option was a vectra L2.
 

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