We offer a mixing paddle that should fit all electric drills. This is needed because the powder and water mix must be thoroughly blended to a lump free consistency before use. Fortunately, the ready to use ‘pot life’ of the paint is long, so there is plenty of time to mix it properly (NOT like a two-pack epoxy that hardens before you even get started!). The shape of the paddle is ideal for properly distributing the powder during the mixing process. There will be water about, so we suggest you plug your drill into an RCD unit, if you are using mains electricity. We use a battery drill, which handles the mixing very well.