Snow Storm Ultra. 1 Quart. If you like Purple Maxx/Snow Storm, you’ll probably love Snow Storm Ultra. When we first started selling Purple Maxx, we said on the label that we didn’t think it was ready for market, but started selling it anyway because of the extreme demand from our retail customers. After 2 years of research, we’ve taken Snow Storm to the next level: Snow Storm Ultra. We can say for a fact that Snow Storm Ultra is definitely ready for market