well guys they say its dry ice, if i could buy it i would i have serched every where around me to no avail. if you want to see what i am doing it is on you tube just serch how to make dry ice with co2 . yes i am useing to cryo 440-c i do not have a dewar and again i dont now why but Ln is really hard to find around were i live.
I've seen it done, but you still have to have the cylinder filled eventually
Have you tried these locations?
They should be able to provide both, especially the closes branch that is a fill station
Give the 1-800 number a call and see what the closest location is.
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Distance: 14 miles
Name: North Division - North Central Region
Phone: (608) 241-1440
Fax: (608) 241-1357
Address: 4101 Robertson Rd.,
Madison, WI 53714-3118
Facility Type(s): Retail Store
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Airgas National Carbonation
Distance: 22 miles
Name: North Division - North Central Region
Phone: (608) 754-5572
Fax: (608) 754-1878
Address: 965 Center Avenue,
Janesville, WI 53546
Facility Type(s): Retail Store
Distance: 41 miles
Name: North Division - North Central Region
Phone: (920) 887-3260
Fax: (920) 887-7766
Address: W8259N Crystal Lake Road,
Beaver Dam, WI 53916-9337
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Name: North Division - North Central Region
Phone: (815) 874-1448
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Address: 5635 International Drive,
Rockford, IL 61109
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Distance: 60 miles
Name: North Division - North Central Region
Phone: (414) 527-4500
Fax: (414) 527-4904
Address: 11927 West Silver Spring Dr.,
Milwaukee, WI 53225-2919
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Fire Protection