Eshopps PF 800 overflow box and water level

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Charney

Charney

The Fish Doctor
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Nov 15, 2005
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I have several tanks that utilize the PF 800 overflow boxes. The tanks have two to three of these overflows and it works great. I have the tank turnover right where I want it for all of the tanks but I am not happy with the water level. They are all at about the trim level which I don't like. How do I make it lower? The water level doesn't seem to change regardless of where I set the height of the overflow box portion in the tank

Thank you
 
Very confusing....because In theory, lowering the in tank box, should automatically lower water level.
When using these overflow boxes, I found they could not keep up with pump flow I needed, so I replaced the standard J (U) tubes, with larger 1 1/4 " inner diameter U tubes, and that, solved "my" problem. Whether a larger inner diameter tube (higher flow capacity) would solve yours, I don't know.
 
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so I tried putting in 2 U tubes and did not see a difference. I just got some 1.25 and 1.5 U tubes in the mail yesterday so I am going to give them a try
 
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