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

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

Product ID: 237516116

Details

Brand
Aquascape
Item Weight
0.8 Pounds
Item dimensions L x W x H
26.4 x 5.1 x
Material
Silicone
Style
Compact

🐟Fish-safe formula ensures aquatic safety

💧Waterproof for leak-proof performance

🖤Black color for sleek, discreet seals

44127CFA

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Description

🖤 Seal smart, seal safe — keep your aquatic oasis leak-free and stylish!

FISH SAFE SILICONE - Formulated to protect your aquatic life while maintaining strong adhesion.
SLEEK BLACK FINISH - Dark color blends invisibly with pond and aquarium components for a polished look.
DURABLE FLEXIBLE SEAL - Remains flexible after curing to withstand pond and aquarium conditions without cracking.
SEAMLESS AQUARIUM INTEGRATION - Perfectly seals liner joints on BioFalls and skimmers to prevent costly leaks.
QUICK PROFESSIONAL APPLICATION - 10.1 oz tube designed for caulking gun use, enabling fast, precise sealing.

Aquascape Black Silicone Sealant is a 10.1-ounce, fish-safe, waterproof silicone designed specifically for sealing joints where liners attach to BioFalls and skimmer components. Its black color offers a discreet finish, while its flexible, durable formula ensures long-lasting, leak-proof seals ideal for aquarium and pond applications.

Specifications

ASIN	B000N1AMY0
Best Sellers Rank	#156,397 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #654 in Hardware Sealers
Brand	Aquascape
Brand Name	Aquascape
Colour	As shown in the image
Compatible Material	Glass, Metal, Plastic, Rubber
Country of Publication	USA
Customer Reviews	4.6 out of 5 stars 1,650 Reviews
Global Trade Identification Number	00827807291864
Included Components	1
Item Dimensions	5.1 x 5.1 x 27.9 Centimeters
Item Form	Liquid
Item Weight	0.8 Pounds
Item dimensions L x W x H	5.1 x 5.1 x 27.9 Centimeters
Manufacturer	Aquascape
Manufacturer Part Number	29186
Material	Silicone
Material Type	Silicone
Model	29186
Number of Items	1
Style	Compact
Style Name	Compact
Surface Recommendation	Aquarium Filter Components
UPC	827807291864
Water Resistance Level	Waterproof

Reviews

N**E

Bonne qualité pour coller les joint des vitres pour aquarium

22.04.2026

M**2

Great product for sealing seams or gaps in your pond

I highly recommend this product for sealing seams or gaps in your pond. I used it around a leaky waterfall feature. It went on easily using a caulk gun and remained very flexible once it cured after 30 minutes.

25.07.2025

E**S

Fast acting!

Very good product, the best I've tried thus far.

11.08.2025

D**.

Perfect

25.06.2026

T**R

Not bad

Seams to be doing the job. I resealed a 75gal tank and it’s been holding for 2 months now.

25.06.2026

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TrustScore 4.5 | 7,300+ reviews

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44127CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered 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 Senegal.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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