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Clear Aquarium Silicone Sealant - 10.2 Fluid oz Cartridge

4.6 4.6 out of 5 stars 2,628 ratings

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  • Container size: 10.2 Oz. This high modulus component RTV Silicone Sealant forms strong cohesive bonds to glass without the need of primers
  • The bonds are unaffected by continuous immersion in water and, when fully cured, is non-toxic to fish
  • ASI Aquarium Silicone Sealant is a non-slump sealant and can be applied to vertical surfaces without flowing or sagging
  • Can be applied to surface temperatures from -18°C to +50°C (0°F to +120°F) and after curing, withstands constant operating temperatures from -57°C to +233°C (-70° F to 450°F)
  • Formulated for use with fresh and salt-water aquariums or a Vivarium
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Customer ratings by feature

Adhesion
4.6 4.6
Value for money
4.4 4.4
Easy to use
4.4 4.4

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Clear Aquarium Silicone Sealant - 10.2 Fluid oz Cartridge


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Product Description

APPLICATION 1. Glass must be properly prepared as described. 2. Apply the aquarium sealant to edge surface of the glass to be joined to the non-edge surface. After application of the sealant, the assembled glass components should be tightly placed in a fixture or jig to allow sealant to flow evenly between joined surfaces and to give support during the internal sealing of the aquarium. 3. Selected bead size appropriate for the size of aquarium being constructed. Apply the sealant into the center of the joint formed by the sections of glass. Tool the sealant immediately after application. Any excess sealant should be removed before the sealant is cured by suing a clean cloth and a suitable solvent such as MEK (methyl ethyl Ketone), TCE (trichlorethylene) or alcohol. Cured sealant can be trimmed with sharp blade. Allow sealant to cure at least 7 to 10 days before adding water and fish. This will ensure full cure and will allow the curing agent to totally dissipate. REPAIR APPLICATION The ASI Aquarium Silicone Sealant can be used to repair old or damaged aquariums. 1. Remove all of the damaged sealant, clean area to be repaired with a clean cloth and a suitable solvent. Apply sealant as described above and tool. 2. Check repaired aquarium for leaks before adding fish to tank. Fill aquarium with water and let sit for several days and check for any signs or leakage.

Customer reviews

4.6 out of 5 stars
4.6 out of 5
2,628 global ratings

Customers say

Customers like the ease of use, quality and value of the sealant. For example, they mention it's easy to apply, works well and is good value for money. They appreciate the seal and say it works well for modify or repairing tanks. That said, some complain about the smell.

AI-generated from the text of customer reviews

152 customers mention133 positive19 negative

Customers like the quality of the sealant. They mention it works well, is amazing, and does exactly what it's supposed to do. Some say it'll set up within an hour and is strong at full cure. Overall, most are happy with their purchase and recommend it to others.

"This brand was one of the least expensive I could find online and worked perfectly; local stores only carried small tubes there were 3oz or less...." Read more

"Easy to apply and works great" Read more

"Worked awesome, I used it to build a rail hydroponic system and used this to glue on the end caps...." Read more

"...The combination of silicone and the riveted sheet metal patch is sturdy and impervious to any incoming water...." Read more

44 customers mention37 positive7 negative

Customers like the sealant. They say it's easy to use, works fantastic, and is watertight. Customers also say it has less odor, chemicals, and resistance to humidity. They mention that it'll hold water and that it has a long curing time.

"...We've been running our hydroponics system for 6 months and no signs of leaks. Will buy again." Read more

"...silicone and the riveted sheet metal patch is sturdy and impervious to any incoming water...." Read more

"...It does its job exceptionally well, sealing and securing the aquarium without any hitches...." Read more

"Good stuff, worked as it should and tank is holding water. I used it on a 22 year old 55 bow front that sprung a leak...." Read more

41 customers mention38 positive3 negative

Customers find the sealant easy to work with, apply, and set. They say it holds water perfectly, goes on smooth, and evenly. Customers also mention that it makes resealing overflows easy.

"...It was easy to apply with a basic caulk gun and attach cork backgrounds inside my tank for some dart frogs...." Read more

"Easy to apply and works great" Read more

"This went on smooth and evenly...." Read more

"...very easy to use, a little goes a long way . it does have a strong smell , I did outside on my back porch . waiting for 7 days to add water...." Read more

16 customers mention13 positive3 negative

Customers like the value of the tool. They say it's a good size for the price and completely worth it.

"This brand was one of the least expensive I could find online and worked perfectly; local stores only carried small tubes there were 3oz or less...." Read more

"...Well worth the money and highly recommended." Read more

"was a good value, easy to use" Read more

"...this one is a very good quality and much cheaper than the small tubes purchased at pet stores." Read more

15 customers mention12 positive3 negative

Customers like the drying time of the product. They mention it dries in no time, is very strong and durable, and won't hurt fish. They also say it's easy to work with and drier fairly clear.

"...Background is solid stuck and it dried clear. I would highly recommend this over the more expensive competitors...." Read more

"...Luckily we did cuz it dries very fast and we ended up having to scrape it off cuz we didn’t get the tape removed quick enough and it pulled off the..." Read more

"...It was easy to apply, dried well and is providing a nice seal." Read more

"Easy to use and dries fairly fast. It has a strong odor when using it so be careful" Read more

12 customers mention12 positive0 negative

Customers are satisfied with the attachment. They say it is securely attached, sticks to anything, and is strong. The adhesion is unreal, and it bonds very tightly to rocks. It works well and adheres to glass, plastics, and ceramics. Some are pleased that it does stick to PVC board and is watertight. Overall, customers are happy with their purchase and recommend it to others.

"...Believe me it’s securely attached." Read more

"...It does its job exceptionally well, sealing and securing the aquarium without any hitches...." Read more

"...It bonded very tightly to the rocks and is pretty much like rubber when dried. Works exactly as advertised and met/exceeded all of my expectations...." Read more

"This is by far the best silicone sealant I have ever used. The adhesion is unreal!" Read more

9 customers mention9 positive0 negative

Customers find the product versatile and useful for a variety of projects. They say it's perfect for terrarium, paludarium, and vivarium builds, as well as for building a DIY sump for an aquarium. Customers also say it sets in 24 hours and is fine for aquarium use. They also mention that the product is great for hydroponics and crafting.

"...It's designed for use in aquatic aquariums and should be great for other animals when fully cured...." Read more

"It works, it works like the instructions tell you, it is perfect for the building a diy sump for your aquarium...." Read more

"...Will set in 24hours and be fine for aquarium use" Read more

"Very happy with this product. Came as advertised and was perfect for my reptile enclosure to make sure my background was sealed." Read more

27 customers mention5 positive22 negative

Customers are dissatisfied with the smell of the tools. They mention that it has a strong smell and strong fumes.

"...Yes the acetic acid smell is strong so keep your head out of the tank and do outdoors and leave it there for at least a week...." Read more

"...The only negative is the strong vinegar smell during application. It eventually fades when the silicone dries." Read more

"This went on smooth and evenly. The smell was horrendous, in addition to having the vent on, my husband used a face mask with a filter on it to..." Read more

"...It has a strong smell which takes breath away and burns your eyes when applied so use in well ventilated area...." Read more

Works like a charm
5 Stars
Works like a charm
I used this silicon to build a mini aquarium/paludarium set up (see photo). Long story short, I smashed up about 20 pounds of rocks and then glued them all together with this silicon. The silicon is fantastic- everything is held together very securely. It bonded very tightly to the rocks and is pretty much like rubber when dried. Works exactly as advertised and met/exceeded all of my expectations. Would definitely buy again.
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Top reviews from other countries

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Misael Vr.
5.0 out of 5 stars Vale lo que cuesta
Reviewed in Mexico on February 26, 2024
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Misael Vr.
5.0 out of 5 stars Vale lo que cuesta
Reviewed in Mexico on February 26, 2024
la verdad al inicio se me hizo caro pero ya probandolo me encantó y me sentir que valió cada peso.

Me ayudó a pegar el fondo 3D y pequeños espacios que tenía en la pecera.
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Steve A
5.0 out of 5 stars Easy to work and great results
Reviewed in Canada on September 20, 2023
2 people found this helpful
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Fred Chong
5.0 out of 5 stars Item well received.
Reviewed in Singapore on July 1, 2022
Brian Austin
5.0 out of 5 stars For the Intended Purpose Far Superior to Regular Silicones Found at Your Hardware Store
Reviewed in Canada on August 12, 2023
8 people found this helpful
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Kindle Customer
5.0 out of 5 stars Great sealant for aquariums
Reviewed in Canada on March 10, 2024