Sanity check on my plumbing, water feature, filtration idea

[ndame88]

Thanks for the replies, I think I want to put it at a heigth on the back that I want the water level to be, I dont plan on drilling it myself, I know you have to be patient and go very slow, something I struggle with, so I am going to contact a couple of glass shops.

Any suggestions on the size of bulk head to be used?

[J Teezy]

I'd probably use a 1/2" bulkhead