To thoroughly blend and mix liquids, mixing paddles are use. All fit portable hand-held power drills. All have a hex shaft to prevent slipping in drill chuck.
21" Chapman "Airless" Mixer - 3/8" ShaftPatent No. 4,260,267 - Does not whip air into mixture. "Chapman" mixer blades patented design creates a vortex - air is pushed up and out of bucket - prevents air trapping. For grout, plaster, paint, cement topping, dry wall, thin-set.