How many coats of mod podge?

[Rschasch]

How many coats of mod Podge do you guys typically put on your fake rocks/ backwalls?

 

[Claudiusx]

I dont use mod podge anymore but when I did I'd typically use 3 or 4 coats of it watered down and sprayed on. This seemed to hold up well.

-Brandon

 

[NikkiandDucky]

What do you use in place of mod podge @claudiusx?