Can I use this to put a rock background on the inside of aquarium?

Absolutely. I bought it to make an aquarium into a vivarium (1/2 water and 1/2 land). Works great. If you are using lots of small rocks, lay it on its back and spread sealant with something disposable like cardboard or a wood shim. Dont be shy. Use a lot. Press rocks in and let it dry good (48 hrs). When you tip it back up a few might fall off, more sealant and patch it in. I find smaller rocks work better than larger.

To ensure I am ordering the correct one - this is the clear silicone, correct?

yes it is clear, nice size tube, I glued my hole ten gallon aquarium and have enough left to fix several more,I though it was a good buy when I looked at the price at the store and I didn't have to hunt for it.

Will this fix a water fountain?

Hi there! Thanks for your question. This has not been tested on water fountains, so unfortunately, we cannot advise.

What tool did you use to squeeze the tube? It takes alot of pressure to get it to come out and i can only get about a foot done at a time

Hi there! You shouldn't need a tool, but it is possible that the product has expired. We kindly advise you to contact us at 1-888-255-4527 so we can send you a new tube.

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4813 som

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Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Seal the deal with confidence—no leaks, no worries!

FLEXIBLE DURABILITY - Remains flexible over time—no cracking or shrinking, guaranteed.
CRYSTAL CLEAR FINISH - Invisible clear silicone that blends seamlessly with glass surfaces.
AQUARIUM SAFE FORMULA - 100% non-toxic silicone, perfect for freshwater & saltwater tanks.
LEAK PROOF CONFIDENCE - Creates a permanent, watertight seal that stops leaks instantly.
EFFORTLESS APPLICATION - Smooth, easy-to-use formula for a professional-grade bond every time.

Aqueon Silicone Sealant Clear is a 3-ounce, 100% waterproof, non-toxic silicone designed specifically for aquarium use. It forms a permanent, flexible, and crystal-clear seal that prevents leaks without cracking or shrinking, making it ideal for both freshwater and saltwater tanks.

Specifications

ASIN	B0002ASD2K
Best Sellers Rank	#47,175 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #121 in Silicone Sealers
Brand Name	Aqueon
Color	Clear
Compatible Material	Glass
Customer Reviews	4.5 4.5 out of 5 stars (6,189)
Global Trade Identification Number	00015905650038
Included Components	Aqueon Aquarium Silicone Sealant Clear 3 Ounces
Item Dimensions	5.1 x 5.1 x 14.6 centimeters
Item Form	Liquid
Item Type Name	Aqueon Aquarium Silicone Sealant
Item Weight	0.22 Pounds
Manufacturer	Central Garden & Pet
Material Type	Silicone
Model	100165003
Number of Items	1
Part Number	100165003
Style Name	Standard
Surface Recommendation	Glass
UPC	015905650038
Unit Count	84 Grams
Water Resistance Level	Waterproof

Reviews

A**L

Me ayudó con la fuga de la fuente de agua de mi mínima

17.02.2026

J**B

Found a 55 gallon tank on the side of the road that was cracked on the bottom. Used this to fix it and I still have that tank. Not a single leak.

22.04.2026

J**K

This is a great product. I sealed a 110 gallon tank with no problems. The one thing I disliked was it was really difficult to squeeze it out using a caulking gun.

10.04.2019

C**S

Great Product. My main tank cracked half way down and I needed a temporary solution to keep my fish alive whilst waiting for my new tank. I applied the solution onto the crack and it was able to significantly stop the water leaking.

17.02.2025

K**0

not useful, it is the same material used in other silicon sealants. not worth to buy. go for cheap one.

14.11.2017

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