will this remove water stains?

It worked very well on the small mold discoloration. I'd try it for water stains because of the completed coverage on the darker mold stains. Seems as opaque as would be needed....

Need to wait 2 days before applying second coat to undersink area. Is that a problem?

I do not know for sure; I used the stuff in an un-ventilated cupboard and applied 2 coats as 1/day. I do not recall anything thing that conditioned application other than to be sure that the previous coat was dry. Clearly there is some chemical reaction going on, but once dry one may imagine that the process is complete? Good luck.

Did this get rid of mold? For how long? Did the mold come back later?

Yes it did get rid of the mold. There are a couple of spots where the mold is returning but they seem to be areas that did not get as much paint but even those areas took about 6 months to return. I highly recommend this item in fact I am planning to order more for another room. T

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🛠️ Prime smart, finish faster, and block mold like a pro!

FAST DRY EFFICIENCY ⏱️ - Touch dry in just 5 minutes and ready for recoating within 30 minutes—perfect for busy pros who value speed.
MOLD MILDEW DEFENSE 🛡️ - EPA registered primer that blocks mold, mildew, and odor-causing bacteria without heavy pre-cleaning—stay ahead of the grime.
VERSATILE SURFACE BONDING 🔗 - Bonds seamlessly to chalky siding, masonry, and metal—ideal as a base for any topcoat, especially ZINSSER Perma-White.
ECO FRIENDLY EASY CLEANUP 💧 - Low odor, water-based formula cleans up effortlessly with soap and water—safe for your workspace and the environment.
FUNGICIDAL PROTECTION UNDERNEATH 🛡️ - Provides a fungicidal barrier that works under any coating, helping cover fungal stains and extend the life of your finish.

Zinsser Rust Oleum 287512 is a 13 oz water-based, low-odor spray primer designed to block mold, mildew, and odor-causing bacteria. It covers 8-10 sq. ft., dries to the touch in 5 minutes, and recoats within 30 minutes. Ideal for interior use on siding, masonry, and metal, it provides a fungicidal protective coating that enhances topcoat adhesion and durability.

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594 DH

Duties & taxes incl.

Moroccostore

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TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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Perfect platform for hard-to-find items. Delivery was prompt.

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Manufacturer	Rust-Oleum
Part number	287512
Item Weight	454 g
Product Dimensions	6.67 x 6.67 x 20 cm; 453.59 g
Item model number	287512
Size	13.00 Ounce (Pack of 1)
Color	White
Finish	Matte
Item Package Quantity	1
Coverage	8-10 sq. ft./13 oz
Special Features	water based
Specific uses	Interior
Included components	Spray
Batteries Included?	No
Batteries Required?	No

ZinsserRust Oleum 287512 Molding Blocking Spray Primer, 13 oz, White

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