Do I need a main drain...inground?

Jul 16, 2011
16
Southern California
We have a 15000 gal pool, dont know the dimensions but it is 74' perimeter and goes to 8ft deep. We are replastering and thinking of redoing the old copper plumbing. We were quoted on 3 return lines (we currently have 2) an autofill, a poolsweep line, skimmer, and split the main drain. We are kind of weary of cutting through the gunite for the main drain. Wont it weaken the shell? One pool contracter said we dont even need a main drain, that the vaccum and skimmer would be enough circulation. What are your opinions of the main drain. Should we just close it off? Thank you.
 
Welcome to TFP!

While it is nice to have a main drain, you certainly don't need to have one. Aiming one of the returns down towards the bottom of the deep end is sufficient to maintain good circulation. Cutting through the shell for the drain won't make enough difference to matter.
 
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