drilling holes...

chunkofocean125

Reefing newb
hello all... where can i get good info on drilling my 125g tank.
info im looking for is not how to do it but everything else about it...
im looking for things like
-where to put holes....
-how many holes is best......(should i have one hole in each corne to bring water back to my sump or is one good enought.........
-should i drile my return in the tank or let it come over.....
-what size holes do i drill........
things of this nature....

Thanks Marc
:Cheers:
 
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