Snowmakers for Southern states on sale today here:
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LoginLast time I was at Disneyworld at night for Mickeys Very Merry Christmas , they had similar foam blowers very high on the rooftops along main street. I think they did this so most of the soap would disperse instead of slippery stuff accumulating on the walkways. It would be fine to mount on the roof and blow into the yard. There are also DMX controllable versions, but most are around $400.