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
0.27 g
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

AR$215558

Duties & taxes included

In stock

Sold byAmazon ArgentinaDelivered 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 Argentina.

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Description

🌟 Dive into flawless sealing with Underwater Magic!

TEMPERATURE TOUGHNESS - Withstands extreme temps from -40°C to 200°C for versatile applications.
CHEMICAL CHLORINE SHIELD - Resistant to pool chemicals, seawater, oils, and greases for lasting durability.
ODORLESS ECO SAFE FORMULA - 100% silicone-free, solvent-free, and safe near food areas—no harsh smells.
UNMATCHED UNDERWATER PERFORMANCE - Seals leaks even when submerged, no drying time needed.
EASY APPLICATION INSTANT RESULTS - Standard caulking tube fits any gun, no mixing, use while pool is in use.

Underwater Magic Sealant is a professional-grade, 290ml waterproof adhesive designed for superior performance underwater and above. Its advanced acrylic-polyurethane formula resists chlorine, saltwater, chemicals, and extreme temperatures, making it ideal for pools, marine repairs, and industrial sealing. Odorless and eco-friendly, it applies easily with standard caulking guns and maintains permanent elasticity and abrasion resistance, ensuring long-lasting, reliable seals even in the harshest environments.

Specifications

ASIN	B01NCUU1N1
Best Sellers Rank	#66,237 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #235 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 (69)
Item Dimensions	9.05 x 1.95 x 1.95 inches
Item Form	Gel
Item Weight	0.27 g
Manufacturer	Underwater Magic
Material Type	Acrylic, Polyurethane
Model	UWM-01
Number of Items	1
Number of Packs	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

Vikram D.

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

2 weeks ago

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AR$215558

Duties & taxes included

In stock

Sold byAmazon ArgentinaDelivered 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 Argentina.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Rajesh P.

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

2 days ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

View all Trustpilot reviews