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

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€ 116.26

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Sold byAmazon SlovakiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌟 Dive into flawless sealing with Underwater Magic!

TEMPERATURE TOUGHNESS - Withstands extreme temps from -40°C to 200°C, perfect for any environment.
CHEMICAL CHLORINE SHIELD - Resistant to saltwater, chlorine, oils, and harsh chemicals for lasting durability.
ODORLESS SILICONE FREE FORMULA - No unpleasant smells or silicone contamination—safe for pools and food-adjacent areas.
UNMATCHED UNDERWATER PERFORMANCE - Seals leaks and bonds underwater with commercial diver-grade reliability.
EASY APPLICATION NO MIXING NEEDED - Standard caulking gun compatible with no cloudiness—use while your pool’s in action.

Underwater Magic Sealant is a professional-grade, 290ml white gel designed to bond and seal underwater and above with superior resistance to chlorine, saltwater, chemicals, and extreme temperatures. Odorless and silicone-free, it offers permanent elasticity and abrasion resistance, ideal for pools, marine repairs, and food-safe environments.

Specifications

ASIN	B01NCUU1N1
Best Sellers Rank	#56,870 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #193 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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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

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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

1 month ago

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€ 116.26

Duties & taxes included

In stock

Sold byAmazon SlovakiaDelivered 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 Slovakia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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

3 weeks ago

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