Still can't get in hard water so I tested I'm my yard today. 5kw chinese diesel heater I slapped together with an old mower tank and battery. Should get 5-6 hours plus
Mr. Heater Vent-Free Blue Flame Propane Ice House Heater — 10,000 BTU, Model# MHVFIH10LPT | Northern Tool
HEATING IN ICE SHELTERS - Ice Fishing Forum | In-Depth Outdoors
Princess Auto - Make the most out of those ice fishing trips and therapeutic garage sessions this winter by making sure you don't turn into a popsicle! Our 4,000 to 18,000 BTU