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🧴 Seal smart, seal clean — the foam that works as hard as you do!
Great Stuff 99112849 Smart Dispenser Pond & Stone is a 12 oz professional-grade foam sealant featuring a drip-free smart dispenser for precise application. Reusable for up to 30 days, it safely seals and bonds surfaces in aquatic environments without harming fish or plants, delivering a water-resistant, durable finish ideal for ponds, stones, and aquarium décor.











| ASIN | B07GL5MP2X |
| Best Sellers Rank | #3,035 in Pet Supplies ( See Top 100 in Pet Supplies ) #4 in Aquarium Décor |
| Brand | Great Stuff |
| Brand Name | Great Stuff |
| Customer Reviews | 4.5 out of 5 stars 3,215 Reviews |
| EU Spare Part Availability Duration | 30 Days |
| Global Trade Identification Number | 00041343012121 |
| Included Components | SMART DISPENSER straw |
| Item Form | Foam |
| Item Type Name | Pond & Stone |
| Item Weight | 1.01 Pounds |
| Liquid Volume | 12 Fluid Ounces |
| Manufacturer | Dow |
| Manufacturer Part Number | 99112849 |
| Model Number | 99112849 |
| Pet Type | Fish |
| Target Species | Fish |
| UPC | 041343012121 |
| Unit Count | 1.0 Count |
| Warranty Description | Warranty |
J**R
Good stuff!
I bought this to seal a septic tank riser to my septic tank and it was easy to use and works well for my application and need. There was plenty of it to use for the job that I was doing with some left over to do a few other things. It wasn't messy at all since they've made it reusable. It sealed everything nicely. It didn't have an odor at all. As for the looks it won't matter in my application. It served its purpose for what it was intended for. It did fill the gaps nicely for my purposes. I couldn't find this in my home improvement store so I bought it along with the riser at the same time. Glad that whomever made this stuff reusable and easier to use made it for homeowners to use later if not all used up at one time within a 30 day period.
L**.
Worked great for my snake enclosure!
I was hesitant the spray patterns would make it look weird so I used a glove to mess it up so it was even while spraying. Came out strong at first and then fizzled out and was kinda hard to spray. Can get messy if you aren't careful. I used one and a half cans for the back of my 20gal tank. Pretty easy to do if you are patient- I let mine cure for a week because snakes are sensitive to glasses and fumes. Afterwards I took a sharp little knife and carved some peices in the back so they looked a little more rock like. Looks amazing ( I'm getting a charcoal pool soon so it will match the back wall haha). Super happy with the turn out!
J**T
Works as the original
It's great stuff. Finding the color black isn't always easy as I travel around the country in an RV, so Amazon is a good place to find it consistently as well as being a bit cheaper.
C**R
Works great around pond edges and stones
Works great around pond edges, under rock ledges. Takes a while to dry before can get wet. If you get it on your skin or clothes, get it off before it dries. If it dries on skin it take a lot of acetone, and patience to get it off.
T**R
Great for vivarium builds
Love this product. We use it to build bioactive Vivariums for all our reptiles and amphibians. It dries quickly, expands well, and holds better than other brands we have tried.
F**R
Perfect for reef aquarium
I have been using aquarium cement for putting rocks together for my reef aquarium but it was always a pain and it didn't really hold well together. This foam is completely different beast. It holds the rocks to get us so well you can grab it by one of the rocks and everything else stays securely attached to it. The strength is much better than the usual insulation foam in the spray can you can buy at Lowe's. The yellow kind. A strong word of warning though, this black foam is really nothing like the usual yellow one. When you work with it, absolutely use disposable gloves because this thing sticks to your skin so well that it's took me more than a week to get it rid off my skin. And it's more that my old skin just peel off after a week, not that the foam would peel off the skin. On the other hand it's the testament how well this thing sticks. Which also means you don't have to use too much of it on the rock. It will expand quite a bit and if you put too much it will just get out everywhere. EDIT: I have the structures in my tank for almost a year and everything holds still like the first day. Moreover, Even tho the nozzle dried, I removed it and put there another one from normal foam can and it still worked almost a year later! I glued 5 towers (4-6 stones, 16-20" tall) and about 10 smaller structures and there is still some left in the can.
T**M
Not black and doesn’t go far.
Not black foam. Can says black, but tan foam came out. I still used it because I was in the middle of building a backyard pond. It also does not cover very much. I have a 2’ x 3’ stone wall, with 10-11” stones. The one can didn’t even finish filling in the gaps.
B**T
Our go-to for reptile tanks!
We absolutely love this product. We use it for our reptile vivariums/bioactive tanks for the backs, it makes for a fantastic "filler" for backgrounds, easy covering, easy carving, and is also a great color so if any damage happens or an area is missed slightly, it's not an eye-sore like other beige alternatives!
Y**P
Excelente producto
Muy rendidor, fácil de aplicar
L**E
Works just like promised
So nice when you find a product that does exactly as advertised. I’m beginner/home DIY pond builder and this made my rock feature wall stay exactly as I pictured.
も**り
黒色発泡ウレタンは、これしか選択肢がない
海外のビバリウム制作動画を見て購入。 類似商品と比べたら、高いけど、国内製の黒色発泡ウレタンを探すことができなかったため、満足して使いました。 ただ、ウレタンの出力が均等ではなく向きによったりする傾向が強い。
Y**O
Funciona
El funcionamiento es bastante raro para sacar la espuma veces se escapa mucho aire y no tira espuma no se infla tanto y aparte tiene poco contenido Cabe destacar que he usado muchas espumas no es la primera vez
K**H
Overpriced
Really good but horrendously overpriced
Trustpilot
3 days ago
2 weeks ago