You can cut up and use a sprite bottle as a plus filter on your lights. Just be careful with tungsten lights because I'm not sure how much heat it can take but it's perfect for fluorescent and LED lights like the one I have in the picture.
Zachary Will is an Award-Winning Filmmaker creating short films and content for the Internet as the owner of Riverside Studios. He has a Bachelor's in Film from Full Sail University. He has worked on productions for companies like Webmd, Sears, Home Depot, Six Flags and more!
"the trick is to never give up... I think the secret of success is not how little you get knocked down but how often you get back up." - Gareth Edwards