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

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

🔥Heat resistant up to 200°C

🧪Chemical & chlorine resistant

₨1925

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.

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Description

🌟 Dive into flawless sealing with Underwater Magic!

SAFE VERSATILE - 100% silicone-free, food-safe, and compatible with most materials except vinyl.
TEMPERATURE TOUGH - Withstands extreme temps from -40°C to 200°C, perfect for any environment.
USER FRIENDLY APPLICATION - No mixing, no odor, fits standard caulking guns—get professional results effortlessly.
CHEMICAL CHLORINE SHIELD - Resistant to saltwater, chlorine, oils, and harsh chemicals 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. It offers permanent elasticity, exceptional abrasion resistance, and temperature tolerance from -40°C to 200°C. Odorless and free from harmful solvents, it applies easily with standard caulking guns and is safe for use near food. Trusted by commercial divers and DIY pros alike, it seals leaks underwater and withstands chlorine, saltwater, oils, and UV exposure—making it the ultimate sealant for pools, boats, and more.

Specifications

ASIN	B01NCUU1N1
Best Sellers Rank	#64,735 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #222 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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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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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

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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₨1925

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

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

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