POR-15 40104 (CLEANER DEGREASER) (1 QUART ). ✅ APPLICATIONS - POR-15 Cleaner Degreaser should be diluted with hot water. Four parts water to one part Cleaner Degreaser (4:1) works well for most jobs; but may be diluted up to ten parts water to one part Cleaner Degreaser (10:1).