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UK Floor Cleaning Forum => Carpet Cleaning Forum => Topic started by: jane wilkinson on September 17, 2011, 02:40:22 pm

Title: Carpet Ph problem
Post by: jane wilkinson on September 17, 2011, 02:40:22 pm

Ph allways after clean & rinse Ph 4-5.
Would this be because of the local water at Ph 4-5?

Title: Re: Carpet Ph problem
Post by: AshWhite on September 17, 2011, 03:02:10 pm

I suppose it depends on what you're using to rinse, the pH of the carpet before cleaning, the fibre (wool is naturally acidic). What problem do you have?

Title: Re: Carpet Ph problem
Post by: markpowell on September 17, 2011, 04:11:14 pm

Why is it a problem?
Mark

Title: Re: Carpet Ph problem
Post by: jane wilkinson on September 17, 2011, 05:01:11 pm

Thought it was a problem as on training I was taught that Ph should allways be 7

Title: Re: Carpet Ph problem
Post by: wynne jones on September 17, 2011, 05:08:49 pm

what are you pre-spaying with.
what are you rinsing with.
have you tested any of these carpets before cleaning?
Are you happy that the carpet is clean?

Title: Re: Carpet Ph problem
Post by: jane wilkinson on September 17, 2011, 05:20:57 pm

pre sprey with multi pro rinse with fibre fabric rinse. before cleaning carpet Ph 5. Carpet looks clean except for a few lighter streaks

Title: Re: Carpet Ph problem
Post by: markpowell on September 17, 2011, 06:39:48 pm

Wool or Wool Mix 3-6 and synthetics 3-9 from memory.
Wouldnt worry too much
Mark

Title: Re: Carpet Ph problem
Post by: wynne jones on September 17, 2011, 09:02:59 pm

Yeah sounds pretty normal setup. Most people wouldn't notice cos they have never tested. The dirt in the carpet offsetts the prespray. Just make sure it is clean, but if you are happy with the result then don't worry. Of course when it's dry it has no ph anyway.

Title: Re: Carpet Ph problem
Post by: peter maybury on September 19, 2011, 01:32:01 am

I do not understand why you think that ph is so  important yes a high ph or low ph is detrimental to a natural fibre such as wool  cotton or silk but as long as you fall into the margin of 5 - 9 there is no problem. It is residue more than ph that is important so the sticky-ness of any residue is the importance here. You coud put something sticky on a carpet that has a neutral ph that would degrade the carpet a lot more than some thing with a higher or lower ph. With synthetic fibres a high or low ph on the fibre does not degrade the yarn. There seems to be a lot of misunderstanding on this subject............

Peter.
www.carpetcleanercardiff.com (http://www.carpetcleanercardiff.com)