This product can be applied underwater? Or does it have to be applied and cured on a dry surface first?

Yes, can applied under water. I got piping that have very small water leaked that is why I bought this one. I applied and it seems it stop the leaked up to now. Hope this helps.

can this be used to repair a cracked skimmer?

I would give it a try. I used to repair a leaky exhaust port on a motor yatch.

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Underwater Magic Underwater Magic Sealant, 290ml/9.8oz Tube, White

Underwater Magic Underwater Magic Sealant, 290ml/9.8oz Tube, White

Product ID: 650429645

Details

Material
Polyurethane
Brand
Underwater
Style
Compact
Item Weight
0.01 Ounces
Item dimensions L x W x H
23 x 5 x 5

⚪Pure White Polyurethane

💧100% Waterproof Seal

🛠️290ml High-Performance Tube

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6028035₫

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Description

💧 Seal the moment, dive without limits!

MADE IN THE USA - Crafted with precision and quality you can trust.
COMPACT POWER TUBE - 290ml size fits perfectly in your toolkit for on-the-go fixes.
INVISIBLE PROTECTION - Pure white formula blends seamlessly with underwater gear.
DIVE READY DURABILITY - Seals underwater leaks instantly with professional-grade polyurethane.
ULTIMATE WATERPROOF CONFIDENCE - Engineered to withstand full submersion without compromise.

Underwater Magic Sealant is a 290ml tube of premium white polyurethane sealant designed specifically for underwater applications. Its compact size and waterproof formula provide reliable, instant sealing for underwater camera housings and accessories, ensuring professional-grade protection and durability. Made in the USA, this sealant is a must-have for any serious underwater photographer or enthusiast.

Specifications

ASIN	B01NCUU1N1
Best Sellers Rank	#116,045 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #475 in Hardware Sealers
Brand	Underwater Magic
Brand Name	Underwater Magic
Colour	White
Compatible Material	Polyurethane
Country of Publication	USA
Item Dimensions	23 x 5 x 5 Centimeters
Item Form	Liquid, Paste
Item Weight	0.01 Ounces
Item dimensions L x W x H	23 x 5 x 5 Centimeters
Manufacturer	Underwater Magic
Manufacturer Part Number	UWM-01
Material	Acrylic
Material Type	Acrylic
Model	UWM-01
Number of Items	1
Style	Compact
Style Name	Compact
UPC	712190587963
Water Resistance Level	Waterproof

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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.

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TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

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Received my product in pristine condition. Great service overall.

1 month ago

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6028035₫

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In stock

Sold byAmazon VietnamDelivered 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 Vietnam.

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TrustScore 4.5 | 7,300+ reviews

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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