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.

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

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

🌡️Wide temp range -40°C to +90°C

₨1940

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

Description

🌊 Seal the deal above and below water with Underwater Magic!

FLEXIBLE DURABLE - Permanently elastic with abrasion resistance for long-lasting repairs.
EFFORTLESS APPLICATION - One-component, no mixing, fits standard caulking guns for quick use.
CHEMICAL SHIELD FORMULA - Resists chlorine, saltwater, oils, and UV without breaking down.
POOL FRIENDLY ODORLESS - Use while pool is in use—no fumes, no silicone contamination, just magic.
DIVE READY SEAL PERFORMANCE - Trusted by commercial divers for leak-proof underwater fixes.

Underwater Magic Sealant is a 290ml white, one-component gel designed for professional-grade waterproof sealing. It withstands harsh conditions including saltwater, chlorine, UV exposure, and extreme temperatures (-40°C to +90°C). Trusted by commercial divers, it offers permanent elasticity, abrasion resistance, and easy application with standard caulking guns. Ideal for pools, marine repairs, and chemical-exposed surfaces, it’s odorless, silicone-free, and compatible with most materials except vinyl.

Specifications

ASIN	B01NCUU1N1
Best Sellers Rank	#74,887 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #267 in Hardware Sealers
Brand Name	Underwater Magic
Color	White
Compatible Material	[Most Materials, Excluding Vinyl]
Customer Reviews	4.3 4.3 out of 5 stars (63)
Item Dimensions	9.05 x 1.95 x 1.95 inches
Item Form	Gel
Item Weight	0.01 Ounces
Manufacturer	Underwater Magic
Material Type	Acrylic, Polyurethane
Model	UWM-01
Number of Items	1
Part Number	UWM-01
Style Name	Compact
Surface Recommendation	Tile, Concrete, Plastic
UPC	712190587963
Unit Count	9.8 Fluid Ounces
Water Resistance Level	Waterproof

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.

How long does delivery take and is it reliable?+

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.

What is Desertcart? Is it safe to order from?+

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

Ravi S.

I loved the variety of products available. Will definitely shop again.

2 months ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

₨1940

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

Reema J.

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

1 month ago

Abdullah B.

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

3 weeks ago

View all Trustpilot reviews