I have a 180 gal tank, unknown mfg, and not conclusive on determining if the back is tempered so don't want to drill it.
I am trying to decide if it makes sense to have 2 external overflows, both having 2 drains. If so, could I use one in each overflow as an emergency overflow? Drains are 1 inch.. like an eshopps pf 1000?
I am trying to decide if it makes sense to have 2 external overflows, both having 2 drains. If so, could I use one in each overflow as an emergency overflow? Drains are 1 inch.. like an eshopps pf 1000?
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