None in Merseyside drat.

Mr central heating if there is one near you sells the fernox one for £4 all the time and he also sells the cleaner for £4 if you buy both usually £6 . If you buy a boiler it's free also a trappex trap free if you do not know what it is google it .

Thanks, just ordered a couple, heat added.

Thanks for posting, heat added

I've been looking at this deal for a long time; it says concentrate.

spot on, thank you