2:1 mix ratio works with House of Kolor RU310, RU311, or RU312 reducers for verified system compatibility. Manufacturer: House of Kolor. Q: What is House of Kolor BC05-Q01 used for?. A: Verified compatible reducers are House of Kolor RU310, RU311, and RU312, and the listed mix ratio is 2:1.
