Sulphuric acid or sodium hydroxide to unblock the pipes? - Page 2

Jonny69 · 25-09-2008, 12:56

The pipe that drains the bath slowly blocks in our rented flat. Basically there's not enough drop on it and it silts up and eventually blocks if we don't periodically run some drain cleaner down it.

It's expensive buying it in the supermarket and I've noticed it's just sodium hydroxide which I can buy much cheaper in quantity and mix it up myself. However, when the pipes blocked completely once the plumber used strong suphuric acid. I can also get this in bulk but it was very smelly.

What are the pros and cons of each and any reason why I shouldn't go for one over the other? It's a plastic bath with chrome fittings and the old soil pipe is iron. Changing the plumbing is not an option due to renting, crazy landlady and shared drainage with upstairs flat.

25-09-2008, 12:56	#1
Jonny69 Noob Join Date: Oct 2006 Location: Socialist Republik of Kent Posts: 5,032	Sulphuric acid or sodium hydroxide to unblock the pipes? The pipe that drains the bath slowly blocks in our rented flat. Basically there's not enough drop on it and it silts up and eventually blocks if we don't periodically run some drain cleaner down it. It's expensive buying it in the supermarket and I've noticed it's just sodium hydroxide which I can buy much cheaper in quantity and mix it up myself. However, when the pipes blocked completely once the plumber used strong suphuric acid. I can also get this in bulk but it was very smelly. What are the pros and cons of each and any reason why I shouldn't go for one over the other? It's a plastic bath with chrome fittings and the old soil pipe is iron. Changing the plumbing is not an option due to renting, crazy landlady and shared drainage with upstairs flat. __________________