If your hardware store has more than one type of acidic drain
cleaner, it should be able to explain the difference. Muriatic
acid (dilute hydrochloric acid) seems to be the most common.
You may wish also to consider whether the drain pipes are
metal or plastic or ceramic (each of which responds differently
to various acids, resisting some but not others.)
Back in the late 60's I dropped acid a few times. It was a decent trip,
but after seeing some friends get busted by the cops for the stuff, I
quit taking it. It's some pretty groovy stuff and the best acid is
really far out, but it's still illegal and you could go to prison for
possession. If you have any, toss it in the garbage before the pigs
come. They'll be oinking outside your door before you know it. If you
wanna get buzzed, just smoke pot and drink beer. It's much safer and
legal in most places.
On Sunday, August 5, 2012 10:50:12 AM UTC-4, TomR wrote:
I agree wiht the poster about using a snake. I noticed some of the chemical drain cleaners now also come with a short plastic snake. I think that probably does more for the clog than the chemicals. On a system without age related or chronic problems clogs are almost always at or near the fixture drain. The pipes just get bigger as you move further away from the fixture.
Here is my personal theory: in a bathroom drain, it isn't likely
kitchen grease. For kitchen grease, a pot of boiling water with some
added Dawn poured slowly into the drain. If kitchen slime, hot water
followed by bleach; let sit. In bathroom, both drains at one time
suggest downline problem or problem with vent. If it is neither of
those, it is likely hair. Damn hard to dissolve hair globs, even with
acid. Snake (or coat hanger with a hook end) to try to clear hair
globs. If that doesn't work, try longer snake. If that doesn't work,
have a pro check out the sewer line.
At one house of mine, I called the plumber when tub drain got too slow.
He snaked it, pulled out a smallish clump of hair. He also identified
the hair as belonging to two different people, which was correct :o) At
another house, the shower drain got very slow very suddenly. I took of
the drain cover, reched in with my trusty coat hanger and the coat
hanger went straight down into some mush. Scared me, but I probed a
little more and pulled out the nastiest, biggest clump of hair
Have had drains slow badly after feeding large helping of potato peels
through disposal; bad idea. At condo, two toilets backed up withing
minutes of each other; obviously, a problem downline. Turned out the
line to the sewer was half rusted away along it's bottom.
You are probably right. It would take a very exothermic reaction and
spewing out junk.
I responded in part because I worked in the lab and used sulfuric acid
extensively. Never saw any discolored walls but saw a lot of clothing
destroyed by it.
Place where I used to work had a plumber employed there and they
provided houses for some of the staff. His approach to blocked drains
was to pour a full winchester of conc nitric acid down the drain.
That was in the days of earthenware sewer pipes tho.
Not a great approach with modern plastic sewer pipes.
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