Brent from Napoleon Oh writes
I use my pond water in my house. it will not stain our dishwasher or washer or shower??
According to the manufacturer: All of Sanco's pond dyes/colorants are safe and will not cause any harm to fish. Crystal Blue and Ocean Blue are food grade dye/colorants and are 100% safe for fish, animals, recreation, irrigation and potable water. Black Out is safe for fish, animals, recreation, irrigation, but is not safe for potable water. We would be happy to check with the manufacturer further though to make sure no staining will occur.
Answer last updated on: 05/24/2014