Baking soda powder and vinegar separated in a small device. easily crush it and throw into the fire.-- pashute, Dec 25 2019 Anti-fire bomb http://www.bbc.co.u...KMBwbSM2Hxf2EXPCBRAOne example amomgst dozens; not notably effective. Various fillings were tried. [8th of 7, Dec 25 2019] Very Baked & WKTE, over a century ago. Identical devices, glass spheres, were sold during WW1 as "Anti-fire grenades" for protection against Zeppelin-dropped incendiaries.
[suggested-for-deletion], not an innovation.-- 8th of 7, Dec 25 2019 random, halfbakery