Washing the RBCs with distilled water would definitely lyse the RBCs. Distilled water is hyportonic RBC incubation even for few minutes will swell the RBS and subsequent burst as evident of change of water color to red. if you need positive control to compare yield you can use TritonX-100 that cause 100% RBC lysis, and for negative control you can use saline (PBS) which can not permeability RBC membrane.