Glass sump durability and flow?

[kilralpine]

Does the amount of flow through something of a 40G breeder size stress the glass? I am likely going to be building a 40G breeder in the next day or two for a sump on my 110 and I am wondering if after I add my dividers are they going to flex with 1100gph? My return pump is adjustable down to 600 so I am not too concerned but I am theorizing here.

 

[ringo®]

You have to remember that sump panes are pressurized from both sides. I wouldn't worry about pane pressure

 

[rdnelson]

Ringo®;880567 wrote: You have to remember that sump panes are pressurized from both sides. I wouldn't worry about pane pressure

If water drops in the return area because you do not have an ATO there will be a difference in the water levels. But I wouldn't worry about it being too much stress.


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[cedzaquaddiction]

I'm running an extremely undersized 30g sump on my 225g with about 1200 gph with absolutely no flex issues at all. Only issue is water noise draining into my overflows. Therefore, I may only run one of my two return pumps and reserve the other one for redundancy...

 

[kilralpine]

Thanks guys will likely be paying a visit to petco today; hope the sale is still on. Anyone near forsyth have a glass hole saw bit for a 1 inch bulkhead?