. Perfect for burning brush with clean and efficient LP gas eliminating caustic chemicals in the environment and around sensitive plants. The Hot Max Jr Max uses standard liquid propane tanks (like those used on BBQ grills) up to 100 pound tanks. Torch Kit, Propane, 100,000 BTU, With Idle/Boost Valve, Jr Version Hot Max torches have molded handles, which are trademarked, for better control and comfort and the long handle keeps you from bending over.