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Old 09-30-2005, 07:09 AM  
pahomeowner
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Default Bleach to unclog drain???

my friend swears by unclogging drains using bleach, but i'm not so sure. couldn't the bleach eat away at the pipes? especially those plastic looking ones? anyone have any input on this? any plumbers out there?



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Old 09-30-2005, 08:44 AM  
ruby
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Default I've done it....

I've done it a few times (used bleech to take care of a stopped up sink), but it never occured to me it might be bad on the pipes....is it? I have the pvc kind in the kitchen and have done it like two or three times.



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Old 10-04-2005, 09:13 AM  
(im)material girl
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bleach doesn't really hurt the pvc piping, but it isn't as good as a simple shot of liquid plumber

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Old 10-05-2005, 08:48 PM  
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Chlorine is somewhat hardening on lots of plastics (the grey poly-b type particularly). If you soak a clear plastic tube in bleach, you'll see it turn white and it will slowly lose flexibility. As for putting bleach in as a drain de-clogger, you can, because bleach will very slowly eat away at organics. Far better is liquid plumber, or some other sodium hydroxide (caustic soda, or merely "caustic") based product. Not so stinky, does a better job, no pipe damage, plastic or metal.

Acidic drain cleaners need to be used with care, because some pipes and fittings will be hurt by acid.

Naturally, never mix two cleaners. The likelihood of blowing yourself up or attackig yourself with lethal chlorine gas is pretty high.

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Old 11-15-2005, 08:40 PM  
2pyrs
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I know this is and old post but just incase someone takes a look at it I would like to point out the dangers in using bleach and then if you should decide to add other chemicals one word BOOM Not that long ago we had to dig out the main in the front yard of a guy who used a gallon of bleach and when it did not work he poured in DrainO He said the ground shook and that was all folks when we dug out the old pipe what we could find of it we replaced more then 15 feet of cracked pipe. He was lucky that it did not explode at the sewer main connection in the street and damaged the main sewer pipe it would have cost him big time from the city. I have even heard over the years of people going to the hospital for burns to there eyes and face because of chemicals exploding from the sink drain. Many times it would be easier to just remove the J joint and clean it out by hand and much safer. Oh by the way it ended up that it was not his sink that was blocked but roots in the main pipe that could have been snaked out. So you tell me did he save money in the end?
2pyrs

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Old 01-16-2006, 08:59 PM  
Manuel Nunez
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I wont recommend chemicals for drain cleaning, instead, if you own a wet and dry vacuum use it to sucks the troubling matters out. It is cheap, cleaner and safer. If that fails, you have a big trouble that requires a pro to deal with it.

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Old 03-24-2008, 01:41 PM  
westolivedeb
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Thanks everybody, I will try bleach one time and one time only.........

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Old 03-25-2012, 12:58 PM  
Lakedude
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Default Bleach not recommened

Bleach may open your drain line, but it will also dehydrate the remaining grease in the drain line making it as hard as concrete. As mentioned in earlier posts, if it does not open your line it can make it dangerous to use chemical based drain cleaners. i would use a bacteria that is earth friendly, such as Grease Away available from Mr. Rooter, It has the best strain of vegetative bacteria that eats the grease that causes 80% of blockages in kitchen drain lines. it may take a couple of applications, but it is earth friendly and is very safe to use. The only bi-products are carbon dioxide and water.

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Old 03-25-2012, 05:11 PM  
itiswhatitis1
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Quote:
Originally Posted by Lakedude
Bleach may open your drain line, but it will also dehydrate the remaining grease in the drain line making it as hard as concrete. As mentioned in earlier posts, if it does not open your line it can make it dangerous to use chemical based drain cleaners. i would use a bacteria that is earth friendly, such as Grease Away available from Mr. Rooter, It has the best strain of vegetative bacteria that eats the grease that causes 80% of blockages in kitchen drain lines. it may take a couple of applications, but it is earth friendly and is very safe to use. The only bi-products are carbon dioxide and water.
If you are going to call mr rooter to get grease away why not have them to unclog the drain. Grease away don't work. They fine some suckers to buy it. If you buy it and use it. Will they come out and unclog the drain for free if it clogged up?
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Old 03-31-2012, 12:40 PM  
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also, remember that bleach is a strong oxidizer. If you have cast iron pipes in your house, you're basically pouring liquid rust into your pipes... Cast pipes are pretty thick, but if the pipes are 100 years old, and too many gallons of straight bleach go in there, $$$



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