Will it hold?

[Saltwatertaffy]

jbj 28G
Removed the back chambers and top to make a rimless. Added drilled overflow

 

[Flippers4pups]

With that water volume, I'd say yes.

 

[Scotty Buttons]

I'd be a little worried with out the top rim. But hey, it's only 28 gallons of water.... lol

 

[Acromora]

clean!