| | Check the info in this link.
I haven't tried this stuff, but what they say is interesting. Check this .pdf out.
Basically, anything with petroleum distallates or silicons can contaminate the water supply, are not readily biodegradable and are poisonous.
It's best to switch to an alternative product that is the opposite of these things.
2004 E60 530is, Delivered 12/12/03, TiSilver/LGrey, PP, SP,PS, PDC, ACC, FRS, Step, Xenons, clear bra, body colored rear inserts. (Retired, 1983 henna red 320is)
2004 Corvette Z06 Commemorative Edition