That ammo can would need holes. Lots of them. I did some science today. very interesting
1 Cubic foot of air at 70 degrees and 100psi is 273 cubic feet of air when that is released.
Pretty Crazy. So 1 quart Container would be 273 quarts when that plastic finally fatigues and burst.
To be clear I have and was planning to use a plastic whole house water filter housing. I have now changed my mind