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, Waterproof, Flexible, and Durable Adhesive for Ponds, Water Features, and Aquariums, 10.1 oz, 29186

Aquascape Black Silicone Sealant – Safe for Fish, Waterproof, Flexible, and Durable Adhesive for Ponds, Water Features, and Aquariums, 10.1 oz, 29186

Product ID: 15318735

Details

Brand
Aquascape
Item Weight
12.8 ounces
Item dimensions L x W x H
2 x 2 x 11
Material
Silicone
Style
Compact

🌞UV & Temperature Resistant

🐟Fish & Plant Safe Formula

💧100% Waterproof Seal

R641

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Description

💧 Seal with confidence, protect your aquatic world!

COMPACT CONVENIENT - 10.1 oz tube with a 24-month shelf life, featuring a clear Born on Date for freshness you can trust.
TRUSTED BY THOUSANDS - Rated 4.6 stars by over 2,200 users—join the community that demands quality and reliability.
EXTREME WEATHER READY - UV resistant and flexible under temperature extremes, so your seal stays intact year-round.
VERSATILE COMPATIBILITY - Bonds seamlessly with ceramic, glass, metal, wood, and more—perfect for ponds, aquariums, and garden projects.
AQUATIC GRADE DURABILITY - Ensures long-lasting, waterproof seals that protect your aquatic environments without harming fish or plants.

Aquascape Black Silicone Sealant is a premium, fish-safe adhesive designed for waterproof sealing in ponds, aquariums, and water features. Its UV resistance and flexibility ensure durability across extreme temperatures, while compatibility with multiple materials makes it ideal for both indoor and outdoor aquatic and landscaping projects. Packaged in a 10.1 oz tube with a 24-month shelf life, it’s a trusted choice for professionals and enthusiasts alike.

Specifications

ASIN	B000N1AMY0
Best Sellers Rank	#27,517 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #101 in Hardware Sealers
Brand	Aquascape
Brand Name	Aquascape
Color	Black
Compatible Material	Ceramic, Fiberglass, Glass, Marble, Metal, Wood
Customer Reviews	4.6 out of 5 stars 2,251 Reviews
Global Trade Identification Number	00827807291864
Item Dimensions	2 x 2 x 11 inches
Item Form	Liquid
Item Type Name	Safe for Fish and Plants
Item Weight	12.8 ounces
Item dimensions L x W x H	2 x 2 x 11 inches
Manufacturer	Aquascape Designs, Inc
Material	Silicone
Material Type	Silicone
Model	29186
Number of Items	1
Part Number	29186
Style	Compact
Style Name	Compact
Surface Recommendation	Tile
UPC	827807291864
Unit Count	10.1 Fluid Ounces
Water Resistance Level	Waterproof

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R641

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered 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 South Africa.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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