How do I do this?

[joekidwell]

I'm going to be selling an established reef tank with gsp on th back glass, how can I keep this alive durring transport?

 

[Pistondog]

I'm going to be selling an established reef tank with gsp on th back glass, how can I keep this alive durring transport?

Don't know if you can. Just try to keep it wet with damp paper towel or big sponge. Minimize time to refill tank.