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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Rust-Oleum ZINSSER 276087 Mold Killing Primer Quart

Product ID: 285994699

Details

Brand
Zinsser
Colour
white
Finish type
Matte
Item volume
946.35
Size
Quart

💧Water-based, eco-friendly

🖌️Covers 100-112.5 sq.ft. per quart

🛡️Kills mold at the source

Rp1592321

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Sold byAmazon IndonesiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛡️ Protect your space, prime your peace of mind!

ECO SMART FORMULA - Low VOC (100 g/L) water-based acrylic for safer indoor air quality
MOLD DEFENSE MASTERY - Effectively eliminates mold for a healthier space
STAIN BLOCKING POWER - Prevents stains from bleeding through for a flawless finish
FAST TRACK PROJECT READY - Recoat in just 1 hour to speed up your renovation timeline
UNIVERSAL SURFACE COMPATIBILITY - Adheres seamlessly to all surfaces, indoor or outdoor

Zinsser 276087 Mold Killing Primer is a US-made, water-based acrylic primer designed to kill mold and block stains on all surfaces. Covering up to 112.5 sq.ft. per quart, it features low VOC for safer indoor use, quick recoat time of 1 hour, and durable protection both indoors and outdoors.

Specifications

ASIN	B00K7FEQPI
ASIN	B00K7FEQPI
Best Sellers Rank	#19,368 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #24 in Primer Paint
Brand Name	Zinsser
Color	white
Color Code	#FFFFFF
Container Type	Pail
Country of Origin	USA
Country of origin	USA
Coverage	100-112.5 sq. ft.
Customer Reviews	4.5 4.5 out of 5 stars (3,249)
Customer reviews	4.5 4.5 out of 5 stars (3,249)
Date First Available	9 June 2014
Dry Time In Hours	1
Finish Type	Matte
Full Cure Time	1 Hours
Global Trade Identification Number	00020066238032
Included Components	Primer
Indoor Outdoor Usage	Indoor
Is Waterproof	False
Item Form	Liquid
Item Volume	946.35 Milliliters
Item Weight	0.09 Kilograms
Item model number	276087
Model Name	Zinsser 276087 Mold Killing Primer, Quart, White
Model Number	276087
Paint Type	Acrylic
Part Number	276087
Product Dimensions	22.35 x 22.35 x 13.46 cm; 90 g
Size	Quart
Special Features	Kills mould and mildew
Specific Uses For Product	Interior
Surface Recommendation	Metal, Wood
UPC	020066238032
Unit Count	32 Fluid Ounces
Water Resistance Level	Water Resistant

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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Received my product in pristine condition. Great service overall.

1 month ago

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Rp1592321

Duties & taxes included

In stock

Sold byAmazon IndonesiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Indonesia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

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