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🐠 Seal it like a pro—waterproof, fish-safe, and flawless every time!
Aquascape Black Silicone Sealant is a premium, fish-safe waterproof gel designed for sealing pond liners, biofilters, and skimmer faceplates. Its durable, non-toxic formula ensures long-lasting protection without harming aquatic life. Packaged in a convenient 4.7 oz tube, it offers easy application and a sleek black finish, making it the go-to sealant for ponds, aquariums, terrariums, and home repairs.












































| ASIN | B000N163UC |
| Best Sellers Rank | #65,490 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #35 in Water Garden & Pond Liners & Seals |
| Brand | Aquascape |
| Brand Name | Aquascape |
| Color | Black |
| Compatible Material | Rubber |
| Customer Reviews | 4.6 out of 5 stars 2,280 Reviews |
| Global Trade Identification Number | 00827807220109 |
| Item Dimensions | 1.5 x 2.25 x 7 inches |
| Item Form | Gel |
| Item Type Name | Silicone Sealant |
| Item Weight | 1.6 ounces |
| Item dimensions L x W x H | 1.5 x 2.25 x 7 inches |
| Manufacturer | Aquascape |
| Material | Silicone |
| Material Type | Silicone |
| Model | 22010 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | 22010 |
| Style | 4.7-ounce |
| Style Name | 4.7-ounce |
| UPC | 827807220109 |
| Unit Count | 4.7 Fluid Ounces |
| Water Resistance Level | Waterproof |
E**S
Fast acting!
Very good product, the best I've tried thus far.
S**N
Used it to patch a (black) rubber pond liner
This was a simple/effective solution I needed for a hole in our large-ish (former koi) pond liner. There was a V-shaped tear in the liner on one of the upright "walls" of the multi-tiered pond, -and- the wall was wrinkled there - tricky. (Had to first use vinegar to get rid of white lime crusted onto the rubber from our hard water.) I had no rubber to use as a patch, so I cut a piece of fiberglass window screen mesh that was a little bigger than the torn area... First I daubed some of the adhesive onto the tear lines, enough to let it skush underneath a bit too; then pressed the screen patch onto this - and it held there nicely; then smeared a bit more over the rest of the patch to get it to stick to the full surface of the patch area, and let this dry overnight. (The window screen mesh was perfect to use, since it conformed to the waviness of the wrinkly rubber.) Next day I used a stiff piece of plastic (cut from a square plant pot) to -completely- cover the patch and its edges; waited another day (warm) before filling the pond... Success!
W**N
Nice aquarium sealant
Purchased a used 40G reef tank a while ago and found out there were quite a few deep scratches on the inside front panel after cleaning it up. Ouch! So I figure since I already ran out budget, I better search ways to save this tank. After reading online forums and articles, lots of mixed feedbacks about replacing/resealing tank panel, I thought to give this sealant a try. Bought this Sealant after reading Amazon reviews. I replaced front panel of my reef tank and resealed all edges and corners. Did a water testing, no leaks overnight, then I filled the tank with salt water! So far the aquarium has been up and running for about a month with no issue. My aquarium looks nice and new with high quality glass front panel. It's not an easy job, but it definitely saved lots of money from possibly having to buy another aquarium! I don't know how much water pressure this can hold, but for my 40G so far it holds really well. If anyone wants to try it, I would recommend watching youtube video and make sure you are working in an area with good air ventilation. The vinegar smell could be very irritating. Also, make sure that you have plenty of time to practice before doing the actual work. Do not go back to where you apply sealant already. Make sure there's enough sealant coming out, so you don't run out of time when applying, and that there's no air bubble in between. They cannot be reapplied in same area because wet sealant does not stick together with ones that are dried already. FYI.
T**Z
I wanted to give this 5 stars.... BUT
I'm no stranger to aquarium sealant or using silicone on tanks. My first impression of this sealant was AWESOME. It is hard to get out of the tube. I kept making the hole bigger and bigger but it's just really thick compared to the usual clear sealant. I'm assuming that is due to the black coloring. No big deal. I was sealing the outside of a leaky acrylic frog tank. The overall smell of the sealant is no worse then the regular clear aquarium stuff. Honestly, I think it smells LESS then the clear stuff! Besides being slow to come out of the tube it was going on VERY smooth. About 1/2 way around my tank I'm thinking just how great this looks and .... BAM You have to put so much pressure to get it to come OUT of the tube that it busted the bottom of the tub clean open. Leaving a blobby mess. Now I'm not sure what to do as I have a huge blob of sealant hanging out the bottom so I decided to start trying to layer that around the bottom of my tank rather then waste it. That's when things just got messy. Be warned this sealant dries FASTER then the clear stuff. By the time I got the blob layered around the rest of my tank it was starting to dry and get grainy. At this point it was the best I could do with the disaster. Now I have 2 more tanks to do and I haven't decided if it's worth using the black stuff or just switching to the clear. It does look nicer on the black bottom rim so maybe I'll order another tube and try again.
D**.
Perfect
Perfect
T**S
Works
Works
M**N
Apply liberally
After using a variety of different products trying to patch a hole in our outdoor pond this was the winner! It was easy to use, dried and cured quickly, and the only thing that has worked to keep our pond liner from leaking. I put a 3 inch screw in the tip to cap the remaining product from drying out. We’re very happy with this product
Y**I
Muy fuerte y flexible
Como era un frasco pequeño pensé que no iba a hacer un buen trabajo pero realmente pude reparar mi acuario con esto, y e podido reparar otras cosas más así que es multifuncional. Pega muy bien se siente firme y a la misma ves flexible así que no veo riesgos de que se quiebre
T**R
Not bad
Seams to be doing the job. I resealed a 75gal tank and it’s been holding for 2 months now.
K**E
worked great for my 75gal!
I had to reseal the inside of my 75gallon tank, this stuff worked great! used a little under half the bottle for all the seams! sealed another 10gallon tank a few weeks later with the leftovers, it worked fine too! I let my lager tank cure for a week, and my 10gal i left dry for a few days. vinegar smell is STRONG
N**O
Better than glue
This stuff allowed me to craft my own slate reef for a freshwater aquarium with like 200+ pieces. It is flexible which is good but also bonds very well, if placed properly it will hold some ridiculous stuff together. Since this is not fast drying, you can always use some support to hold a piece while it's drying if you are going for something crazy. I made a shrimp habitat that would put shrimp tank owners to shame from just buying easy stuff instead of crafting. Oh and I barely used like 1/3 of the entire tube for a project like that. Have fun?
N**E
Bonne qualité pour coller les joint des vitres pour aquarium
Bonne qualité pour coller les joint des vitres pour aquarium
J**Y
Livraison rapide
S applique bien sèche bien parfait
Trustpilot
3 weeks ago
2 weeks ago