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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🐠 Seal smart, seal safe — protect your pond like a pro!

LONG LASTING SEAL - Creates airtight, waterproof bonds that stand the test of time and elements.
ECO CONSCIOUS FORMULA - VOC compliant and meets Green Building Standards for guilt-free sealing.
ALL WEATHER RESILIENCE - UV resistant and temperature-proof for year-round outdoor reliability.
AQUATIC GRADE PROTECTION - Safe for fish and wildlife, ensuring your pond stays vibrant and healthy.
UNIVERSAL SURFACE BONDING - Adheres flawlessly to metal, glass, wood, tile, and more for versatile repairs.

Aquascape Black Fish Safe Silicone Sealant is a premium, 10.1-ounce waterproof sealant designed specifically for ponds and water gardens. Its UV-resistant, VOC-compliant formula ensures safe use around fish and wildlife while providing durable, airtight bonds across a wide range of surfaces. Perfect for both indoor and outdoor projects, it meets modern Green Building Standards and withstands extreme weather conditions for lasting performance.

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Color	Black
Size	10.1-ounce Caulk Tube / Black
Style	Compact
Weight	1 Pounds
Material Type	Silicone
Number of Items	1
Batteries Included?	No
Brand	Aquascape
Manufacturer	Aquascape Designs, Inc
Item model number	29186
Product Dimensions	26.42 x 5.08 x 5.08 cm; 362.87 g
ASIN	B000N1AMY0

Aquascape Black Fish Safe Silcone Sealant for Ponds and Water Gardens, 10.1-ounces | 29186

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