I store my units in climate control in sunny So Cal. But it's not cheap (my three small 5x5x10' spaces run me about $200/mo altogether; I'm consolidating down to two).
Bunsen: ITYM silica gel. U-Line or some of the other shippers sell them in bulk. I have a big sealable canister I use for really delicate items; I'll stuff it with bags of gel and wrap it up airtight. (Despite the name, silica gel is of course dry.)
Bunsen: ITYM silica gel. U-Line or some of the other shippers sell them in bulk. I have a big sealable canister I use for really delicate items; I'll stuff it with bags of gel and wrap it up airtight. (Despite the name, silica gel is of course dry.)