Z zed102 Premium Member Mar 8, 2012 #2 I have drilled several that I used as refugiums/sumps in the past. Just make sure to support the back side of the glass with a block of wood and keep water running over the area you are drilling.
I have drilled several that I used as refugiums/sumps in the past. Just make sure to support the back side of the glass with a block of wood and keep water running over the area you are drilling.
