If the carpet is soaked through to the backing not just the upper fibers it may take much longer to dry.
Remove damp under carpet.
Step 2 remove the moisture.
Remove as much moisture as possible with a wet dry vacuum.
Remove as much water from the damp carpet as possible using a wet vacuum.
Step 2 pour small amounts of hot water over the stain.
Let the vinegar solution sit for about two minutes then dab away excess moisture with a dry cloth until the carpet is barely wet.
If you have a wet vacuum go over the damp spot to take out as much of the moisture as possible.
Remove the spilt calcium chloride crystals and moisture from the carpet by vacuuming the area thoroughly with a wet dry vacuum.
If the damp carpet is under a car mat remove the mat after checking to see if it contains any moisture or mold.
After thoroughly cleansing the area with the vinegar solution sprinkle a thin layer of baking soda over the carpet.
This will dilute the calcium chloride.
Depending on the size of the mold patch use either one or two cups of baking soda.
If you do not dilute the calcium chloride the spill will get larger as it continues to absorb moisture in the air.
Pulling up the carpet to pull up the carpet start by removing the baseboard or molding along the walls.
Before getting to the actual mold remove all the moisture that s in your carpet.
Soak up all the moisture from your carpet with dry absorbent towels.
Work in small sections at a time.
24 48 hours of direct sunlight will help kill mold spores and remove moisture that encourages mold growth.