Every can stove has a different performance value to them.

Some burn hotter, boil faster, but wont stay lit long. Some burn a bit cooler, take a bit more time to boil, but will stay lit longer.

I would definitely recommend Paulo's recommendation with the testing.
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"To me, hammocking is relaxing, laying, swaying. A steady slow morphine drip without the risk of renal failure." - Dale Gribbel