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This is a question Waste of money

I once paid a small fortune to a solicitor in a legal case. She got lost on the way to court, turned up late with the wrong papers and started an argument with the judge, who told her to "shut up, for the love of God". A stunning investment.

Thanks to golddust for the suggestion

(, Thu 30 Sep 2010, 12:45)
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Fat fucking waste of money
Renovating your bathroom? Don't buy a whirlpool bath. The novelty wears off pretty sharpish because after you've got out, you have empty the bath, refill it and leave it running to flush the pipes out with clean water.
If you don't do this, the soapy scummy water will sit in the pipes and go all foetid until one day you'll be in the bath and think "ooh, I haven't used the whirlpool function for a while". You'll switch it on and all that filthy water suddenly gets pumped into your bath and you end up lying in what looks like a sewage treatment pool.

This happened to me. The only way I could've leapt out of that bath any faster would be if I saw a plugged in toaster arcing across the room and heading towards the water.
(, Tue 5 Oct 2010, 21:46, 18 replies)
made the same mistake
never used the whirlpool bit after the first week, not only with the problems you mention above, but the romantic idea of a whirlpool bath with the missus with candles is somewhat diminished by what sounds and feels like an idling tank parked underneath you when the pump is on
(, Tue 5 Oct 2010, 22:36, closed)
Noisy alright
Even when not running, it has 6 nozzles along the sides which can be screwed shut and 3 jets at each end which are always open. Consequently any change in water level that crosses these open jets sets about a right gurgling racket as the water fills or drains from the pipes
(, Tue 5 Oct 2010, 22:42, closed)
More like an Abrams charging into Baghdad.
My folk's jacuzzi, bought in a fit of mad enthusiasm for getting their bathroom refitted by the highest bidder, would shake the house at full chat.

Also, if it was used outside hot weather would cool the water down in 5 minutes flat.

Length? £6K and the plaster fell of after 6 months.
(, Tue 5 Oct 2010, 23:01, closed)
You're right, it does act as a very large, very noisy heat exchange system.
(, Tue 5 Oct 2010, 23:44, closed)
A plugged in toaster dropped in your bath won't kill you - no current will run through your body. If for some reason your house fuses and RCD's don't trip, you'll be fine until you try to lift it out of the bath, at which point your body becomes part of the circuit to ground and you will probably get quite a shock. I should point out that I am unavailable for demonstrations of this theory at this time.
(, Tue 5 Oct 2010, 23:15, closed)
Don't take this as gospel either
I seem to remember this being featured on a show Robert Llewelyn did with the OU about proving / disproving bits of films using science.
I think it's something to do with water being a really poor conductor of electricity and it not conducting electricity evenly unless it's perfectly pure.

No doubt someone who knows what they're talking about will be along in a minute to explain properly.
(, Tue 5 Oct 2010, 23:43, closed)
I might be lying
but I'm 99% sure that absolutely pure water does not conduct electricity, it needs an electrolyte such as any of the shit that's within the pipes and anything that's come off your skin.
(, Tue 5 Oct 2010, 23:47, closed)
It's very possible I remembered it wrongly.
Though I think it's quite certain that the well-meaning but ultimately half-arsed advice we're dishing out about toasters, water and baths shouldn't be used as fact.


Pure water won't, water that has salt in it will conduct electricity but it's not the salt that conducts. Or something.
(, Tue 5 Oct 2010, 23:52, closed)
I saw an episode of Mythbusters
where they put this to the test using various household electricals.

Put it this way: I wouldn't try it.
(, Wed 6 Oct 2010, 9:47, closed)
This is half true
It's unlikely to kill you, but there will be small amounts of current flowing through your body.

Water is actually a relatively poor conductor of electricity, but this is offset by the fact that if the toaster is immersed in it, there is a fuck-load of it to do the conducting. In this case, the resistivity is dominated by what is called spreading resistance: this is a geometry-dependent resistance cause by the fact that close to the electrodes, where the electricity paths all converge, you're relying on a small area to do the conducting, so the resistance is quite high. Far away from the electrode the paths diverge, so the path area is very big and the resistance is therefore much smaller.

Spreading resistance is very geometry dependent, so putting numbers to it is hard, but for a approximately toaster-sized reference, a circular electrode 2cm across in normal tap water will have a minimum spreading resistance of about 500ohms.

Now there are two discharge paths in the bathtub-toaster scenario. One is that the toaster will be shorted by the water, the other goes to earth via the bathtub (assuming that the bathtub is sufficiently conductive). The short-circuit path will encounter the spreading resistance at both electrodes, giving a resistance no smaller than about 1kohm and a current no greater than 0.25A. With a perfectly conductive bathtub, the earth discharge should be no greater than 0.5A. Neither of these currents is sufficient to blow a fuse, but the earth current should trip your RCD.

However, the important thing to remember during your bathtime snack-making escapades it that the current density in such an immersed-electrode scenario is only high close to the electrodes. So if you have a part of your body close to the toaster in the water, you might get that nasty crawling sensation at that part of your body. However, further away from the point electrical contact the current density will be too low to feel. You would probably also have to be trying really hard to actually kill yourself this way.
(, Wed 6 Oct 2010, 10:12, closed)
Will the toast wet?
Or will the electricity keep it dry? I look forward to your suitably impressive answer.
(, Wed 6 Oct 2010, 10:51, closed)
Ah! That explains a long-standing mystery
I was making tea in a rather drunk state, and I noticed that my hand was tingling. It turns out that when I'd pulled the cord out of the kettle, it had ended up in a pool of water on the worktop. Which I also had my hand in

I always wondered why the sensation was so mild. Now I know.

Yay physics geeks!

Also means that all the films where the hero electrocutes the bad guys are complete pish, though
(, Wed 6 Oct 2010, 11:01, closed)
Thanks MR T!
I had thought that dropping an electrical appliance into the bath with you would not likely kill you, but was lacking the knowledge of physics and electronics to have any confidence in my theory.
(, Wed 6 Oct 2010, 19:46, closed)
Thank you
Now I know why the water in the whirlpool of our hotel turned brown and crappy in the middle of a romantic episode.

I'd always blamed Mrs Monkey for having a 'dirty fart'.
(, Wed 6 Oct 2010, 0:36, closed)
Oh god
Life is so tough in the first world sometimes. Why just the other day I remarked to the girlfriend that my apple wasn't particularly sweet while we were watching some lame show about Africans dying from some disease.It made me feel a bit sick. The apple that is.
(, Wed 6 Oct 2010, 8:37, closed)
Thats nice, dear.

(, Wed 6 Oct 2010, 9:13, closed)
Ha! Same happened to me
Bought a house 4 years ago that had a whirlpool bath, the previous owner had explained the cleaning regime required (which I ignored).

After 2 months I was having a bath and decided to hit the button...the water turned black.
(, Wed 6 Oct 2010, 11:18, closed)
Not as manky...
When you're relaxing in a bubble bath in the hotel bathroom, and your Mum potters around, don't suggest that she presses one of those buttons over there to see what they do..
What they do is pretty much fill the entire room up with foam, and trap you in there, especially if you get the giggles...
(, Wed 6 Oct 2010, 22:29, closed)

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