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: 460131127

Details

Brand
Underwater
Item dimensions L x W x H
23 x 5 x 5
Item weight
0.01 Ounces
Material
Acrylic
Style
Compact

🌊Seals underwater flawlessly

🔥Heat resistant up to 200°C

🧪Chemical & chlorine resistant

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฿10246

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Description

🌟 Dive into flawless sealing—where water meets magic!

TEMPERATURE TOUGHNESS - Withstands extreme temps from -40°C to 200°C, perfect for any environment.
EFFORTLESS APPLICATION - One-component, odorless formula fits standard caulking guns—no mixing, no mess.
CHEMICAL CHLORINE SHIELD - Resistant to saltwater, chlorine, oils, and harsh chemicals for lasting durability.
POOL FOOD SAFE CONFIDENCE - Use while pool is in use; safe near food areas; no silicone contamination.
UNMATCHED UNDERWATER PERFORMANCE - Seals leaks and bonds underwater with commercial diver-grade reliability.

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

Specifications

ASIN	B01NCUU1N1
Best Sellers Rank	#79,985 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #191 in Silicone Sealers
Brand Name	Underwater Magic
Color	White
Compatible Material	Various
Item Dimensions	23 x 5 x 5 centimeters
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	289.82 Milliliters
Water Resistance Level	Waterproof

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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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฿10246

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