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Anyone especially counted boils per can or gms per boil?

Only if you're a super tight Arse lol

PAMS non stick spray?? Lol

30-40 cooks out of 230gm on jetboil in arctic circle... You won't run out LOL
Donate your 49c worth of gas left to local scouts and reap the karma :D

Keep them for camping with the kids, boat/hut/truck trips not week long Fiordland trips?

Is it worth the hassle for saving $8? For 30x + boils on a Jetboil for example?
I mean the pie you buy on the way to you hunting spot is worth twice what your cooking gas costs are. LOL
Tight...

60/40 to 70/30 is normal mix for lpg
It's normal (n) butane IIRC

FWIW

Brunton/Kovea: 0% n-butane, 70% isobutane, 30% propane
Coleman: 60% n-butane, 0% isobutane, 40% propane
Primus: 70% n-butane, 10% isobutane, 20% propane
MSR IsoPro: 0% n-butane, 80%...

Hmm..
Funny you should say that... Ive just had 3 wks in the Arctic Circle using a Jetboil on Jetboil branded gas.
Couldnt find a mix on the can, but Google says its 80% isobutane, 20% propane -...