

🔧 Seal smart, swim safe — the pro’s choice for flawless aquariums!
Midwest Hearth Clear Aquarium Silicone Sealant is a premium, high modulus RTV silicone designed for strong, primer-free glass bonding. It remains waterproof and fish-safe after curing, withstanding extreme temperatures from -70°F to 450°F. Its non-slump formula allows clean vertical application, making it ideal for fresh and saltwater aquariums and vivariums. Trusted by professionals for durable, leak-proof aquarium construction and repair.
| ASIN | B00EZB1QQ2 |
| Best Sellers Rank | #61,926 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #148 in Silicone Sealers |
| Brand Name | Midwest Hearth |
| Color | Multicolored |
| Customer Reviews | 4.7 4.7 out of 5 stars (2,792) |
| Full Cure Time | 10 Days |
| Initial Hardening Time | 7 Days |
| Item Form | Liquid |
| Item Weight | 10.2 Ounces |
| Liquid Volume | 10.2 Fluid Ounces |
| Manufacturer | Midwest Hearth |
| Material Type | Silicone |
| Surface Recommendation | Glass |
| UPC | 802455893066 |
| Unit Count | 301.65 Milliliters |
| Water Resistance Level | Waterproof |
A**R
good product
very good
P**E
Seems great it skins up nicely allowing time to work
M**.
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.
F**G
Fast delivery. As per specified.
B**N
This is an outstanding product if you are resealing an aquarium or building new. It is much more costly than the silicones you can find at your local hardware store but FOR THE PURPOSE worth the money. There are two downsides that you learn from experience. (1) You need to allow a full four days for it to cure before adding water. If possible don't move the aquarium at all during that time. Impatience is likely to have you cleaning up puddles and require you to start the whole process over (including trimming ALL the earlier silicone away). (2) Because of the slow curing time, trimming any blobs where you don't want them needs to also wait on the curing, otherwise it will smear and prove to be a bigger task than it would have been with patience. Thorough preparation is needed. Trim ALL old silicone away with an exceptionally sharp razor blade and wash repeatedly with vinegar. (I never go so far as to try to separate the glass pieces.) The new silicone WON'T adhere to the old. Wipe dry with a clean lint-free towel and allow an additional 12 hours or more to air dry. Apply a good thick bead of silicone and press into the corners by running your finger along all joints while the silicone is still very soft. DON'T try for as narrow a bead of silicone as possible, especially when resealing an older aquarium. There is A BIT OF FORGIVENESS for spots of old silicone remaining if your new seam goes beyond them. Then BE PATIENT.
J**.
Took an aquarium from 1992 from my childhood and with some care and work brought it back to life for my sons to enjoy. It takes 7 days to dry, and clean the old stuff off religiously, don’t mess around get every spec of it off and when you think your done do it again. Apply this product and it will work. Not a drop … not a nasty yellow color good value, applies good. Vent the room it will stink while it drys
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