NOTE !!
This experiment has risks as flying shrapnel may be expelled from the CRT..
Firstly I didn't expect the reaction to go so vigorously and the pressure build up was excessive.
An electric 12 Volt igniter was used to trigger the chemical reaction.
Mix: 360 g KNO3 , 240 g White sugar , 50 g candle wax, 150 g iron sand.
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