So we're doing a production of Dracula, and we're using several foggers in the show, and we have multiple fog cues. We're using a combination F-100 and Coldflow to make low lying fog, and it's current location is beneath a 3ft high platform pretty close to the side of the stage, but its still onstage (but under a faced platform). We're then piping the fog up from under the platform up to on top of the platform using dryer hose.
The effect looks great and we're getting great visual results. The Problem is the noise the fogger makes. The scene is fairly quiet, and we weren't planning on using underscore or any sound effects to mask it. Even if we did use sound effects, the fogger would still probably produce a noticeble noise.
Soooo.... Any tips for muffling the sound of the fogger? We're going to try building a box to put over it and maybe wrap it in blankets or something. But are there any other thoughts on trying to muffle the nose? Any previous tricks that have worked? Any out of the ballpark ideas? Anything would be much appreciate. We're going into tech rehearsals and we need to think of something quickly.