Join Date: Oct 2008
Location: Baltimore, Maryland
I don't know, that msds link has it looking pretty unsafe for any life form. I'm not sure, but I think they are only required to list the "hazardous" ingredients. If that's the case- what else is in it? What may be considered harmless to humans, may pose a serious threat to aquatic life. I wouldn't chance it.
Plus, like Down shift said, it's hard enough to apply on a windshield. Imagine how hard it would be to get a streak free application on the inside of lily pipes. How would you do it?