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White95Max · 02-25-09, 03:06

Well, I'd bet just about any product would kill plants at some concentration. 5ppm seems pretty bad to me though. I'm sure runoff from a bucket of car soap & water is higher than 5ppm, so some plants along the driveway might be affected, or aquatic plants near the storm sewer outlet pipe. Then again, the storm water would be diluted by other "fresh" water input, which also contains various pollutants like road salt, oil, lawn fertilizers, etc.
My tests were on corn plants.

02-25-09, 03:06	#12 (permalink)
White95Max Kayak detailer White95Max is offline Join Date: Jan 2004 Location: Stevens Point, WI Posts: 6,921 Contact:	Re: Car Washing And The Ecology Well, I'd bet just about any product would kill plants at some concentration. 5ppm seems pretty bad to me though. I'm sure runoff from a bucket of car soap & water is higher than 5ppm, so some plants along the driveway might be affected, or aquatic plants near the storm sewer outlet pipe. Then again, the storm water would be diluted by other "fresh" water input, which also contains various pollutants like road salt, oil, lawn fertilizers, etc. My tests were on corn plants. __________________ Paul... '99 Mazda Protege LX 5spd, highlight silver - AIO/UPPx2/#16 '03 Mazda Protege5 5spd, sunlight silver - Coming on May 4th!