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Stanley S420 Aquarium Silicone Sealant Clear is a premium, 100% solventless silicone designed for durable, waterproof bonding in aquariums. Non-toxic and safe for all aquatic life, it cures rapidly in 2 hours, resists UV and chemicals, and offers versatile adhesion to glass and metal surfaces—ideal for maintaining vibrant, leak-free aquatic environments.


| ASIN | B0D6Z9MJBC |
| Best Sellers Rank | #245,096 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #430 in Silicone Adhesives |
| Brand | STANLEY |
| Brand Name | STANLEY |
| Color | Clear |
| Compatible Material | Glass |
| Container Type | Tube |
| Customer Reviews | 3.8 out of 5 stars 14 Reviews |
| Full Cure Time | 2 hours |
| Item Form | Liquid |
| Item Package Quantity | 2 |
| Manufacturer | StanleyChem |
| Material | Silicone |
| Material Type | Silicone |
| Model | S420 |
| Number of Pieces | 2 |
| Other Special Features of the Product | Fast Drying, Non Toxic, Waterproof |
| Part Number | SXSE1092US-AquarSlc |
| Special Feature | Fast Drying, Non Toxic, Waterproof |
| UPC | 810125469169 |
| Unit Count | 2 Count |
| Volume | 10.1 fluid ounces |
| Water Resistance Level | Waterproof |
R**R
Works well
Works great.
T**A
Good product
Works well
A**A
Lacking quality for the namesake
Did not hold at all! Had to redo project
B**S
Well worth it!
Stuff works and adheres to glass great!
S**A
Long Curation
The silicone is fine, but it has to cure per instructions on the tube for three weeks. I wish I would have known this prior to purchasing.
V**E
Didn’t work
Didn’t work and it was a mess to work with
Trustpilot
2 months ago
4 days ago