OP
I'm thinking something involving 100% oxygen and/or a hyperbaric welding torch :cool2:
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Post videos!
Maybe similar results to the pumpkin, but I'd like to see a watermelon go for a dive.
Tried welding torch for grilled cheese. Watermelons reacted the same as as pumpkins, honey mellons and cantelope. Watermellons implode somewhere around 120ft. We did that last year.