Oh fun...

As production starts on each play we always need to take a few moments to sort gel. The "kiddie drama camps" over the Summer really got things messed up. We use folders in three milk crates to sort the various colors of gel. The gels and folders are all numbered. I like to use one brand of gel to avoid confusion, and that brand is Roscolux. Here, my regular after-school tech crew sorts gel on the lip of the pit cover: