ok....I love
Apollo gel (and most Apollo products - I use scrollers, rotators, gel, gobos, and more), but recently needed a few sheets that day and the only ones in town that were in stock were
Rosco. I bought 8 sheets of this nice purple for use on S4 pars and put them in place. It was a conference at the convention center and the pars were used to uplight fabric columns. After about 2 hours, I got called from the interior decorator that had been hired to design the fabric, flowers, and decorative lighting. She said that the lights weren't purple anymore. I inspected the gels, and they had completely washed out. There was a hint of purple at the edges, but no color at all in the middle. It was not burned or melted, just no color.
Our theory is that this was old gel. The one shop in town that stocks gel has at least 20 of every color that Rosco makes, so it is possible it has been sitting there for years. Is this possible?