Shaun / Paul
I have posted the name of the powder I've mentioned on here and on your threads at least three times, it's Chemblend from Normanton 01924 890356.
I have had very good results over many years, using this product on carpets.
At £18 for 10kilos, it's excellent value and will get a good result 90% of the time, not promoting it over anything else, just reporting a good value product, besides, I'd imagine any of the distributors could add this product, to their range. I get it locally, in Glasgow.
Charlie
I presume you are talking of replacement, including fitting