Ready-to-spray formula uses 2 parts IPII03 to 1 part RU Series Reducer. Ready-to-Spray Ratio: 2 parts IPII03 to 1 part RU Series Reducer. Q: What is the ready-to-spray ratio for IPII03?. A: The ready-to-spray ratio is 2 parts IPII03 to 1 part RU Series Reducer.
