Paddle blender is designed for subsequent microbiological food testing. It consists of a u-shaped horizontal trough and a fabricated paddle agitator which includes multiple paddles positioned to move material in lateral direction radically. The design is applied where material are being blended. Paddle blender is suited for application including feed and grain, non directional liquid or slurry mixes, soap pellets, abrasive products, pastes, filter cakes and fragile products.