[ag]

Hi there

What is the highest water temp. you hve gone to on a wool carpet. Have a v.dirty hotel reception wool carpet to do - blue with small yellow flowers - wondering if I can pump it uo pver 60degrees.Or if there is any point?

[Alan Brooker. Aqualink Carpet Care]

No. Wool will yield soil just as well with a 50 degree or less, thorough wash. Work WITH wool not against it and you'll be pleasantly surprised. 40 degree's, no enzymes or anything above pH 8.5. Plenty of dry soil removal and plenty of brushed in micro splitting solution with rinses inbetween.

Alan

[Mike Halliday]

if I have to deal with very dirty carpets I would increase the  amount of agitation & dwell time rather than increase heat.

if I was using a portable I'd prevac, dry scrub then prevac again, then prespray & scrub to death.

but excess heat won't usually harm a wool carpet unless you go daft (which you can't easily do with an average portable).

Mike

[Ken Wainwright]

I'd go with Mike and Alan.

However, Dr Eric Brown in his book The Fundamentals of Carpet Maintenance, after discussing controlled, measured trials of HWE cleaning, concluded that the temperature loss from a machine with water @ 90C was 40C by the time the water hit the probes in the carpet. Then, within one second, the temperature was as per room temperature. He concluded " These results suggest therefore that the time for which the carpet is at an elevated temperature is insufficient to have any rwal effect on the cleaning performance"


What I feel is important is the pre-spray. If temperature is within the manufacturers guidelines, it will then perform to it's greatest potential.

Safe and happy cleaning
Ken

[Len Gribble]

Its commercial, most if not all companies don’t follow manufacturers recommendations on cleaning maintenance.

Do what you have to do,   have never scoulded a carpet, shrunk one but blamed that down to the fitting.  :


Len

[ag]

Thanks for you replies - mike, sorry, can you just clarify what you mean by dry scrub? How about if I used a bonnet mop as agitator, would that help?

[markpowell]

dry scrub is dry vac then agitate without pre-spray then dry vac again.

[John Gregory]

would a oreck orbiter with a orange head be to harsh to dry scrub with ?

[Chris R]

yes

[Mike Halliday]

Chris have you got an Orbitor?

I use my all the time on wool carpets with no problems, once the brush is worn if it creates no problems at all.

Mike