False Bottom for 7.5 Gallon Blichmann BoilerMakerStainless false bottom fits 7. 5 gallon BoilerMaker brew kettle for conversion to a mash tun for All Grain brewing. The patent pending Blichmann false bottom combines the high efficiency of a perforated false bottom with the clog resistance of a slotted false bottom. These heavy duty false bottoms are recommended for the mash tun only when used in the boil kettle, the solid construction can disrupt the convection currents in the kettle, interfering