Methylene Blue Test Set consists of 400/600 r.p.m. high speed motor, Ø70mm 4 flank stirring propeller, 50ml x 0,1 ml glass burette, burette clamp, 1 packet (100 units) 120 mm dia filter paper, 300 mm stirring rod, 1000 cc plastic beaker, 100 g methylene blue with 500 g kaolinite.