.
Spots that didn’t come out.

That spot that you really wanted to come out, didn’t.  It is difficult to tell whether a spot will
come out until after a technician has tried to clean it.  Most often a spot that won’t come out is
now a clean stain.  The difference is that a spot is something that’s “on” the carpet whereas a
stain has “dyed” the carpet.  To remove it you will need to call a carpet dye specialist.  They
can either re-dye it or bleach it out and then re-dye it.

Buckling, Oh my God, What’s happening to the carpet?

If this has happened to you it can be frightening, equally so for the technician who sees it for
the first time.  The carpet has been cleaned and looks beautiful.  But a short time later you start
to see bumps or bubbles appearing.
You wonder what is happening to your carpet? What has the cleaner done to the carpet?  Don’
t Panic, some carpets do this.  
There are 3 layers to a carpets backing; the middle one is latex.  When it absorbs moisture
after cleaning it expands, forcing the carpet to buckle up.  As soon as the moisture has
evaporated, the latex contracts and the buckles disappear. In the worst case the carpet will
actually stretch.  Then a carpet stretcher is needed to re-stretch the carpet.  In neither case is
the carpet ruined.  
The technician can’t always tell which carpets this will occur in.  There are a few that can be
predicted.  But there is no need to panic or get stressed out.  The carpet will be just fine.  Just
turn the heat up to about 20 and leave a few windows open about an inch.  Within 12 to 24
hours the carpet should look normal again.

Wicking, It looks dirtier after he cleaned it!

Carpets dry from the bottom to the top, water evaporating off the top, pulling the moisture from
the bottom.  The water wicks up the fiber like candle wax wicks up a wick.   When there is fine
soil left in the carpet after steam cleaning, the water can pull the soil up to the top of the fiber
as it evaporates.  Then what you see is the soil from the bottom of the carpet now on top of it.  
Sometimes a carpet can look worse after it is cleaned.  Thorough pre-vacuuming prevents this.
And the Spot came back the very next day!
This is usually an oil or residue that has bled up from the bottom of the carpet.  A thorough
flushing will usually remove it permanently.

What you probably did'nt know

CRAWLIN' CRITTERS AND CRUD: A GUIDE TO THE SLIME, GRIME AND LIVESTOCK
THAT'S SLEEPING, CREEPING GALLOPING THROUGH YOUR CARPET.

Asphalt. Bacteria. Car exhaust. Chemicals.  Dirt. Dust. Dust mites. Earth. Food particles.
Fungus. Germs. Gravel. Grease. Grime. Grit. Hair. Industrial waste. Lint. Mud. Pet stains.
Pollens. Pollutants. Rock. Sand. Scum. Smoke. Soil. Soot. Tar. Tobacco smoke. Urine. Vomit.
As you can see (see photo below) soil sticks to the carpet fibres like a scab on a finger.   You
can easily see that the tar or soil stuck to the fibre won’t come off with vacuuming.  To remove
these “scabs” requires a specialized cleaning method, such as steam cleaning.  If these bits of
soil are left on the fibres imagine how they will grind away on nearby fibres.

Plus, don't forget living creatures such as dust mites, fleas and critters that live, hide and breed
in your carpet.
Even if you don't think your carpets need to be thoroughly cleaned, here is why you should.

In the average home there are over two million dust mites feeding on dead skin scales. They
hide in your carpet, upholstery, drapes, mattress and pillow. Mites can double their numbers in
ten hours, and produce ten to twenty pieces of feces per day. That is one hundred thousand
dead bodies and thirty million pieces of feces added to your home every day. Microscopic mite
feces and corpses are small enough to be airborne, and get in the lungs. Eighty percent of
Canadians who suffer from allergies are allergic to airborne mites feces. Your home is a dust
mite nursery, and you could be swimming in their unhealthy mire. For example, one tenth of the
weight of two-year-old pillow is dust mite feces! To help limited their effect on your health, you
need to clean your carpets & furniture more often. Is there a better time to clean your carpets
than right now!
OOPS!
WHAT YOUR CARPET
CLEANER CAN’T PREDICT.