No need to drain & dry, make a perfect underwater repair. Hobby Sealant is a strong adhesive hybrid sealant especially suited for sealing or bonding seams and joints, even on wet surfaces or underwater. Free from solvents and isocyanates. Will not shrink or tear. Standard size fits into any sealant gun Extremely high bonding and sealing, 60 shore hardness Adheres under extreme conditions Well-tolerated by animals and plants Can be used underwater Odourless Seawater resistant Glues and seals aquaria, terraria and garden ponds Setting: approx 2min/24 hours UV and age resistant Colour: Black Applications:Metal, glass, marble, wood, stone, plastics, rubber and many, many more. Product name may vary depending on supplies available - actual product will be the same regardless of brand name.