Stockman overflow

T

Trackz

[Just built one of the 'new style' stockman overflows and I thought I'd share. Although, with the drastic differences between the PVC fittings he uses and the ones I was able to find at HD and Lowes, I ought to give it my own name. :)

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[Actually, I'm not sure. If anyone intends to make one of these, make sure your overflow is at least 3" on the INSIDE. :)

Anyhow, more modifications are coming. Mine is 3" on the outside. Initial calculations make me think I can just shave off a little from each side.]
 
[Where is a good place to find plans on making one of these?

I finally got my overflow dialed in for reducing the amount of noise it is making. I am still getting a light flushing sounds every couple of minutes or so. I think this may have more to do with backpressure then with the intake.

My return lines drain straight down the back of the tank, across the floor for 18 inches or so, thru a wall, then up and into the sump. I am pretty sure after looking at RC that the up and into the sump is creating the backpressure. The only way I can think to solve the backpressure problem is to build a "holding tank" under the tank and pumping the water thru the wall and into the sump. I really don't want to do this as it is yet another link in the chain for a failure.

Thanks
Todd]
 
[Todd,
That sounds like you do need to do some playing around with the air holes. They are either just a little too small or too big. My guess would be it needs slightly more air.]
 
[I will keep working on the air. I orginally had nothing.

Based on Marc'a suggestion, I added a rigid tubing to help with more air. I then upgrade to 1/4 air tubing. I am thinking about adding a second air hole for more air.

Thanks for the suggestion.

Todd]
 
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