Re: Trouble with bathroom basin

it was a thick, red liquid based on sulphuric (?) acid. When used on urinals it produced a truly horrendous stink and you had to open all the windows to avoid being gassed but, by God, it was good. Same effect on slow sinks too - pour it in, leave for 1/2 hour, carefully rinse away (it spits if you apply water too fast). HTH, Richard. (supplied from Naylor Myers I think)

You can still get this red stuff. I got some from Plumbase last month. Came with separate H&S warning notice. It is 80% H2SO4. Will shift anything. Really meant for drains but can be used on basins and sinks provided a plastic funnel is used to get it in passed the metal parts which it will eat. I put some in a toilet that unknown to me had been already treated with caustic soda. You can imagine the effect, was like a volcano in there.

Hi

I think its just a blast of gas, not a can of liquid.

I used one and it achieved very little. Old fashioned plunger worked back and forth lots of times to pull the muck back up followed by a decent drain unblocker is what ours needs every 3-4 months.

I'm about to give it a 'proper' service with some type of dismantalling and rodding though because its obviously hanging on to too much stuff somewhere down the line.

IanC

It is a bottle trap.

Andrew

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Hi

Not strictly, although it might help get the blast to the right spot.

You can make a 'nest' of damp rags to act as a gasket and hence hold the can at an angle.

IanC

...

It isn't conc acid and does not boil when you add it to plain water.

If you go into trade outlets in scruffy clothes and sound like you know what you're talking about, they'll sell you anything.

More like 2/3 water and a lot of salt! I can't remember the breakdown exactly. If you were 90% water, you'd be either a limp lettuce, or the Archbishop of Canterbury.

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Or both at the same time? the sink would empty quickly through the vanished pipework ;-) (Tongue firmly in cheek - Please don't try it. It's not big and it's definitely not clever) Richard.

Yep, 70% or there abouts: