On Thu, 02 Oct 2008 17:53:19 +0100, Dave Plowman (News) wrote:

I've recently changed the boiler on my 25+ year old system which has
used Fernox inhibitor all its life - changed at approx 5 year intervals.
And the water that drained out was pretty clear - no sign of the black
gunge others talk about. Of course a cheaper one may have worked as well
- but I'm not inclined to take the risk.

Bet you'd still have got some squid ink out of the bottoms of your rads!


--
John Stumbles

Testiculate [v.t]
To wave one's arms around while talking ********.