Will this work to seal a few small holes in a black pond liner? The holes are on a horizontal planting shelf.

I would recommend firestone primer, seam tape and cover tape instead for the right way to patch holes in 45 mil epdm rubber.

We wouldn’t recommend it. The silicone is for sealing liner to faceplates with screws and any plumbing parts that are threaded and might need extra sealing. It can also be used in place of Teflon tape. The Pond Company

Can i build a new aquarium with this?

Yes, I think clear would be more aesthetically pleasing but this should work for a glass aquarium. I wouldn't use it for acrylic.

Will this work to seal around a Rubbermaid 100 gallon horse trough—around the rectangular piece of the bulkhead? No leak from threads

I have a 3500 Gallon Koi Pond and it sealed a couple of leaks I had in my liner very well. I was losing about 6 inches of water a day and once I found the tears in my liner I applied the sealant around the tear and pushed it into place. It has bee holding water without leaking for several weeks now so I'm thinking yes, it will hold in your application. It goes on very wet but seals to a hard surface. Good Luck.

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Aquascape Black Silicone Sealant, Safe for Fish, 10.1-ounce |29186

Product ID: 292071960

Details

Brand
Aquascape
Item dimensions L x W x H
5.1 x 5.1 x
Item weight
363 g
Material
Silicone
Style
Compact

🌞UV Resistant Formula

🐟Fish & Wildlife Safe

💧100% Waterproof Seal

Description

🐠 Seal with confidence, protect your aquatic world!

ECO FRIENDLY FISH SAFE - Non-toxic, VOC compliant formula that keeps your aquatic life thriving.
LONG LASTING PERFORMANCE - Flexible cure in 30 minutes with a 24-month shelf life to keep your projects future-proof.
VERSATILE SURFACE MASTER - Adheres flawlessly to metal, glass, tile, wood, and more for endless DIY possibilities.
BUILT TO BRAVE THE ELEMENTS - UV resistant and temperature tough for all-weather durability, indoors or out.
ULTIMATE WATERPROOF PROTECTION - Seals ponds, aquariums, and water features with rock-solid, leak-proof bonds.

Aquascape Black Silicone Sealant 29186 is a premium, fish-safe, waterproof silicone designed for indoor and outdoor use. Its UV resistant, VOC compliant formula bonds securely to a wide range of surfaces, offering flexible, airtight seals that withstand extreme temperatures and meet green building standards. Ideal for ponds, aquariums, terrariums, and versatile repair projects, it cures quickly and lasts long, ensuring reliable protection for your aquatic environments.

Specifications

ASIN	B000N1AMY0
Brand Name	Aquascape
Color	Black
Compatible Material	Metal
Customer Reviews	4.6 4.6 out of 5 stars (2,188)
Global Trade Identification Number	00827807291864
Item Dimensions	5.1 x 5.1 x 27.9 centimeters
Item Form	Liquid
Item Type Name	Safe for Fish and Plants
Item Weight	0.8 Pounds
Manufacturer	Aquascape Designs, Inc
Material Type	Silicone
Model	29186
Number of Items	1
Number of Packs	1
Part Number	29186
Style Name	Compact
Surface Recommendation	Tile
UPC	827807291864
Unit Count	10.1 Milliliters
Water Resistance Level	Waterproof

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