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How to clean carpet without a carpet cleaner
Address stains immediately.
Do not let stains sit on the carpet for a long period of time. Clean up stains right away so the stain doesn't absorb into the carpet fibers.

Available choices:
+ Try to take a spill right away to blot up the stain. Some marks you might wish to address right away are : Black stains--they tend to appear on white carpet.
+ Stains that sit on the carpet can also end up leaking into the bottom of the carpet, causing mildew and odor. If you know people are going to eat or drink around the carpet, have cleaning materials on hand in the event of spills and stains.
+ Erase residue as soon as possible to make sure your cleaning method is effective. If stain and odor aren't getting to the carpet quickly, you may want to pick up steam from your exhaust fan or an air conditioning unit to neutralize it.
+ Top the stains with a stain remover. When stain removers aren't working, redo steps 16 and 17.
Stains that sit on the carpet can also end up leaking into the bottom of the carpet, causing mildew and odor. If you know people are going to eat or drink around the carpet, have cleaning materials on hand in the event of spills and stains.