Anybody have this, and know which drill size you need to make the hole? Came with no instructions ..
https://www.bulkreefsupply.com/aqua...g-kit-1-42a3ddf2e1df611a280d556f1c81996a.html
https://www.bulkreefsupply.com/aqua...g-kit-1-42a3ddf2e1df611a280d556f1c81996a.html