Question 1

What's the difference between mold and mildew?

Accepted Answer

Mildew is a type of mold but is usually less severe. Mildew appears white or gray and is surface-level. Mold can be black, green, or brown and often penetrates surfaces.

Question 2

What kills mold most effectively?

Accepted Answer

Vinegar kills 82% of mold species and penetrates porous surfaces. Bleach works on non-porous surfaces only.

Question 3

Is bleach or vinegar better for mold?

Accepted Answer

Vinegar is better for porous surfaces (wood, drywall, grout). Bleach is fine for non-porous (tile, glass, porcelain). Never mix the two.

Question 4

Can you remove mold yourself?

Accepted Answer

Small areas under 10 square feet are typically safe to clean yourself. Larger areas or hidden mold need professional remediation.

Question 5

How do you prevent mold in bathrooms?

Accepted Answer

Improve ventilation with fans, fix leaks, squeegee water from surfaces, and clean weekly. Mold needs moisture to grow.

Question 6

Why does mold keep coming back?

Accepted Answer

You haven't addressed the moisture source. Find and fix leaks, reduce humidity, and improve ventilation.

Question 7

Is black mold dangerous?

Accepted Answer

Some types of black mold (Stachybotrys) can cause respiratory issues. Have any large area of black mold tested and professionally removed.

Question 8

How do you remove mold from walls?

Accepted Answer

Spray with vinegar or hydrogen peroxide, let sit 30 minutes, scrub gently, then dry the area completely.

Question 9

Can you paint over mold?

Accepted Answer

Never. Paint traps mold and lets it continue growing. Remove the mold completely first, then prime and paint.

Question 10

How do you remove mold from clothes?

Accepted Answer

Brush off loose mold outside, soak in vinegar, then wash in hot water with detergent. Repeat if needed.

Question 11

What does mold smell like?

Accepted Answer

Earthy, musty, damp. If you smell mold but can't see it, you may have hidden mold growth somewhere.

Question 12

How do you remove mildew from books?

Accepted Answer

Brush off loose mildew outdoors, then place books in direct sunlight. For pages, sprinkle with cornstarch and brush off after a few hours.

Question 13

Can mold grow in clean homes?

Accepted Answer

Yes. Mold needs moisture, organic material, and the right temperature. Even clean homes can have mold if there's moisture from leaks or condensation.

Question 14

How do you remove mold from fabric?

Accepted Answer

Brush off loose mold outdoors, soak in vinegar for 1 hour, then wash in hot water with detergent and oxygen bleach if safe for the fabric.

Question 15

Should you wear protection when cleaning mold?

Accepted Answer

Yes. Wear gloves, a mask, and eye protection. Mold spores can cause respiratory issues and skin irritation.

Question 16

How do you remove mold from leather?

Accepted Answer

Wipe with a cloth dampened in equal parts water and rubbing alcohol. Let dry in sunlight. Apply leather conditioner after.

Question 17

What humidity level prevents mold?

Accepted Answer

Below 60% relative humidity. Use a dehumidifier in damp areas like basements and bathrooms.

Question 18

How do you remove mildew from a tent?

Accepted Answer

Set up the tent outside, scrub with a mixture of soap, water, and white vinegar. Rinse and let dry in sunlight.

Question 19

Can you remove mold from drywall?

Accepted Answer

Surface mold yes, with vinegar and a brush. Mold that has penetrated the drywall requires removal and replacement of the affected section.

Question 20

When should you call a professional mold remediator?

Accepted Answer

Mold area larger than 10 square feet, mold in HVAC systems, recurring mold despite cleaning, or if you have respiratory symptoms.

Mold and Mildew FAQ