1
Place one per lane for a persistent grid-wide slow field that keeps all zombies at reduced speed
2
Pair with Pearmafrost to combine cryo sources for near-instant freezing in the front column
3
Back with Melon-pult to burst damage frozen zombies with heavy arc shots
4
In Endless Mode, build an Icetip Lily and Coldsnap Bean combination per lane for double-stacking cryo
5
Use in conjunction with Ice-shroom for a follow-up freeze after the initial full-grid freeze expires