PackerBacker
Montreal, Quebec,Canada
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Joined: 08/22/2002
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It's the same stuff that goes in our swimming pool plumbing and it's pretty harmless. If you're really concerned, just put a bucket under your low point drains when you flush the system then pour it down a drain.
Eric
2004 Wildcat 27RL, Honda EU-2000i.
2003 Dodge Ram 2500 Hemi, 3.73, Reese 16K, Prodigy,long box, Line-X,
Good Sam's - FQCC/Camping Quebec
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Turbo Diesel Dude
Green Mountain, NC
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Joined: 01/10/2005
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I generally save mine for reuse.JMHO
charles weidman
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Bumpyroad
Virginia
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Joined: 12/01/2005
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murffdog wrote:tom_kat wrote:water it down with plenty of water from the garden hose to delute it and the grass should be fine
It WILL kill the grass, stop by and I'll show you the dead spot I got. 
gosh, I used to drain the antifreeze out of the car onto my lawn and sure enough a brown spot appeared that took a very short time to bounce back and turn green again. I am sure that stuff is more toxic than the stuff that you can actually drink.
bumpy
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shawdowboss
Ames, IA
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Joined: 12/25/2007
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Yep, diluted RV antifreeze kills the grass also (2 cups antifreeze in 2 gals H20). Threw some out last year and in 2 days the grass was dead. Made the same assumption that it was generally safe for humans, it shouldn't hurt the grass.
Still have the 2 brown spots to show if anyone wants to stop by and take a look.
When I de-winterize, all of it's going into a tank or down a drain.
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joanne0012
Boston, MA
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Joined: 02/01/2005
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We get this question every year and I still don't understand why anybody is doing anything with it. When I dewinterize, the pink stuff that was in my plumbing ends up in my black and gray tanks, and then eventually it gets dumped wherever I do my first dump of the season when my tanks are full.
The key ingredient in pink RV antifreeze is propylene glycol and indeed it is on the GRAS list and is used in applications as diverse as medicines, cosmetics, food, toothpaste, and mouth wash. Sufficiently diluted, it probably won't hurt your lawn but in concentrated amounts it will, same as many other GRAS substances like salt.
Joanne
1994 Lazy Daze 23.5' TK
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HppyCampr
N.W. Indiana
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Joined: 02/26/2008
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Okay so then if I want to get rid of some clover and grass in my gravel area it would be reasonably safe and less likely to hurt kids and pets? or pollute the ground.. and will kill stuff well right?
Me: Heather (SAHM/student) DH:Kris (firefighter/NREMT-p) Son: 3yrs loves animals and camping.
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TubaPete
Comstock Park, MI
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I like the idea of trying to save at least some of it. Why a guy as cheap, er frugal, as me never thought of it, I'll never know.
Tuba Pete
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Handbasket
Asheville, NC
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Joined: 01/17/2003
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Maybe the folks who are saying that it won't hurt grass 'because it's safe to drink' think that their body chemistry is like a plant's... eat dirt and fertilizer, drink what falls on you, die back in the winter, etc...  . It's kinda scary how our nation's standards for critical thinking skills have fallen  .
Jim, "Light travels faster than sound because of the way your ears are shaped."
'06 Tiger CX 'C Minus' on a Silverado 2500HD 4x4, 8.1 & Allison ('Loafer's Glory'); '07 Forester 2.5 ( the 'HANDBSKT'); '95 Toyota SR5 V-6 4x4 pickup, ARB locker, Bilsteins, Warn hubs & M8000, etc;
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stetwood
Wisconsin
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Joined: 03/22/2005
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I've been recycling the pink stuff through our RV for years. Able to capture about 75% of it. So why dump it on the grass?
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BigPackFan
Endicott, NY USA
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Joined: 07/01/2004
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Bumpyroad wrote:gosh, I used to drain the antifreeze out of the car onto my lawn and sure enough a brown spot appeared that took a very short time to bounce back and turn green again. I am sure that stuff is more toxic than the stuff that you can actually drink.
bumpy I hope you know better now (& not because of dead grass).
BPF
1998 TowLite 18TD
1999 Chevy Silverado
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