why is illegal to refill 1lb container? They sell adapters for that. But this looks much easier

I was refilling the disposable tanks for awhile, but I kept noticing that many would develop "trickle leaks" (hold it up to your ear and hear the faintest little hiss). About half the canisters would bleed very slowly. Also, when you refill, there's a relief button near the valve on the 1lb tank, that needs to be depressed while filling until liquid propane comes out. About half of those don't re-seat themselves fully closed after a refill. In the end, refilling the disposable canisters is probably more trouble than their worth. So is the Flame King kits. I can refill these canisters multiple times, but... After the 5th or 10th refill of their cylinders about HALF of THOSE also continue to leak when you disconnect from their specialized filling valve. Worse yet, many of them will gush liquid propane onto your hands while you're disconnecting, and will even penetrate wool or cloth gloves giving you a very nasty freeze burn. In the end, I think I'll just buy lots of 5gal tanks, with hoses and adapters for any device that uses a 1lb tank. Hope this info helps.

ASIN	B08NY2TW9P
Amazon Bestseller	#415,514 in Office Products ( See Top 100 in Office Products ) #21,626 in School & Educational Supplies
Brand	Flame King
Brand Name	Flame King
Capacity	465 g
Customer Reviews	4.5 out of 5 stars 2,795 Your Review
Fuel Type	propane
Item Weight	1.5 Pounds
Manufacturer	Flame King
Material	Alloy Steel
UPC	850015730443 016027465661

Flame King Refillable 1lb Empty Propane Cylinder Tank - Reusable - Safe - Legal Refill Options - DOT Compliant, 16.4 oz

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