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

🔥Heat resistant up to 200°C

🧪Chemical & chlorine resistant

₨1988

Duties & taxes included

In stock

Sold byAmazon SeychellesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌊 Seal the deal above and below water with magic-grade strength!

TEMPERATURE TOUGHNESS - Withstands extreme temps from -40°C to 200°C, perfect for any environment.
ODORLESS SILICONE FREE - No unpleasant smells or silicone contamination—safe for pools and food-adjacent areas.
EASY APPLICATION NO FUSS - Standard 290ml tube fits any caulking gun; no mixing or cloudiness, even underwater.
CHEMICAL CHLORINE SHIELD - Resistant to saltwater, chlorine, oils, and harsh chemicals for lasting durability.
UNMATCHED UNDERWATER PERFORMANCE - Seals leaks and bonds underwater with commercial diver-grade reliability.

Underwater Magic Sealant is a professional-grade, 290ml white gel designed for superior waterproof sealing in both salt and chlorine water environments. It offers permanent elasticity, chemical resistance, and heat tolerance up to 200°C, making it ideal for demanding underwater repairs and pool maintenance. Odorless and silicone-free, it applies easily with standard caulking guns and bonds to most materials except vinyl.

Specifications

ASIN	B01NCUU1N1
Best Sellers Rank	#46,760 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #152 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

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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.

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TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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

4 days 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

Anjali K.

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

1 month ago

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

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