Gate valves and adjustable pumps

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Theulli

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So the aquarium manufacturer for my new tank states you *need* a gate valve on the return line. My understanding is that the gate valve is for tuning the rate of return....is this necessary if you have a return pump that is GPH adjustable? Seems like they would both accomplish the same thing.

Thanks!
 
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So the aquarium manufacturer for my new tank states you *need* a gate valve on the return line. My understanding is that the gate valve is for tuning the rate of return....is this necessary if you have a return pump that is GPH adjustable? Seems like they would both accomplish the same thing.

Thanks!
I mean.... why listen to Mfgr recommendations anyway?

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CK00020

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Depending on what type of drain you are running, it gives you a full suction with a trickle going down the secondary. When I first set mine up the valve was wide open, you get lots of air mixed with water which is noisy. My wife said is that thing always going to be that loud
 
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Theulli

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Depending on what type of drain you are running, it gives you a full suction with a trickle going down the secondary. When I first set mine up the valve was wide open, you get lots of air mixed with water which is noisy. My wife said is that thing always going to be that loud
Aha! This is what I was missing. I had thought they wanted the gate valve on the return line. This makes much more sense. Thank you!
 
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