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 Sealant, 290ml/9.8oz Tube, White

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

Product ID: 41353198

Details

Brand
Underwater
Item Weight
0.01 Ounces
Item dimensions L x W x H
9.05 x 1.95 x
Material
Acrylic
Style
Compact

🌊Seals underwater flawlessly

🧪Chemical & chlorine resistant

🌡️Temp resistant -40°C to +200°C

₨1988

Duties & taxes included

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Sold byAmazon SeychellesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌊 Seal the deal—above or below water, magic happens!

SAFE VERSATILE - 100% silicone-free, food-safe, and perfect for most materials except vinyl.
TEMPERATURE TOUGHNESS - Withstands extreme temps from freezing cold to scorching heat.
USER FRIENDLY APPLICATION - No mixing, no odor, fits standard caulking guns for effortless use.
CHEMICAL CHLORINE SHIELD - Resistant to seawater, pool chlorine, oils, and solvents for lasting durability.
UNMATCHED UNDERWATER PERFORMANCE - Seals leaks and gaps underwater with zero compromise.

Underwater Magic Sealant is a professional-grade, 290ml waterproof adhesive designed for demanding underwater and chemical-exposed environments. Its advanced acrylic-polyurethane formula offers permanent elasticity, exceptional abrasion resistance, and temperature tolerance from -40°C to +200°C. Ideal for sealing leaks in pools, ships, and marine equipment, it’s odorless, silicone-free, and safe near food, making it the go-to sealant for professionals who refuse to compromise on performance.

Specifications

ASIN	B01NCUU1N1
Best Sellers Rank	#62,654 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #220 in Hardware Sealers
Brand	Underwater Magic
Brand Name	Underwater Magic
Color	White
Compatible Material	[Most Materials, Excluding Vinyl]
Customer Reviews	4.3 out of 5 stars 63 Reviews
Item Dimensions	9.05 x 1.95 x 1.95 inches
Item Form	Gel
Item Weight	0.01 Ounces
Item dimensions L x W x H	9.05 x 1.95 x 1.95 inches
Manufacturer	Underwater Magic
Material	Acrylic , Polyurethane
Material Type	Acrylic, Polyurethane
Model	UWM-01
Number of Items	1
Part Number	UWM-01
Style	Compact
Style Name	Compact
Surface Recommendation	Tile, Concrete, Plastic
UPC	712190587963
Unit Count	9.8 Fluid Ounces
Water Resistance Level	Waterproof

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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

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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₨1988

Duties & taxes included

In stock

Sold byAmazon SeychellesDelivered 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 Seychelles.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

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

1 day ago

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

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