--- product_id: 254810383 title: "99112849 Smart Dispenser Pond & Stone, 12 oz, Black" brand: "great stuff" price: "R956" currency: ZAR in_stock: true reviews_count: 5 category: "Great Stuff" url: https://www.desertcart.co.za/products/254810383-99112849-smart-dispenser-pond-and-stone-12-oz-black store_origin: ZA region: South Africa --- # Reusable up to 30 days Water-resistant, fish-safe seal 12 oz precision foam volume 99112849 Smart Dispenser Pond & Stone, 12 oz, Black **Brand:** great stuff **Price:** R956 **Availability:** ✅ In Stock ## Summary > 🛠️ Seal smart, seal clean — the future of pond care is here! ## Quick Answers - **What is this?** 99112849 Smart Dispenser Pond & Stone, 12 oz, Black by great stuff - **How much does it cost?** R956 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/254810383-99112849-smart-dispenser-pond-and-stone-12-oz-black) ## Best For - great stuff enthusiasts ## Why This Product - Trusted great stuff brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Eco-Friendly & Safe:** Formulated to protect your ornamental fish and plants while sealing perfectly. - • **Smart No-Drip Dispenser:** Foam flow stops instantly when you do—zero mess, total control. - • **Long-Lasting Reusability:** Use the same can for up to 30 days, maximizing value and reducing waste. - • **Precision Foam Application:** Better bead control means flawless sealing on ponds, stones, and fountains. - • **Durable Water-Resistant Bond:** Creates a strong, lasting seal that withstands moisture and outdoor elements. ## Overview The GREAT STUFF 99112849 Smart Dispenser Pond & Stone is a 12 oz foam sealant featuring a patented no-drip smart dispenser for precise application. Designed for pond and stone maintenance, it forms a durable, water-resistant bond that is safe for ornamental fish and plants. Reusable for up to 30 days, this product combines convenience, eco-consciousness, and professional-grade performance to keep your outdoor water features flawlessly sealed. ## Description GREAT STUFF 99112849 Smart Dispenser Pond & Stone, 12 oz, Black Review: Excelente producto - Muy rendidor, fácil de aplicar Review: Overpriced - Really good but horrendously overpriced ## Features - Comes with NEW SMART DISPENSER Straw - No Drips, Less Mess. Foam stops when you stop - Precise. Better bead control. - Reusable for up to 30 days - use again and again - Safe for ornamental fish & plants - Seals, adheres, bonds and provides water resistant cover ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07GL5MP2X | | Brand | Great Stuff | | Brand Name | Great Stuff | | Customer Reviews | 4.5 out of 5 stars 3,205 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 | 456 g | | Item form | Foam | | Item weight | 456 g | | Liquid Volume | 12 Fluid Ounces | | Liquid volume | 12 Fluid Ounces | | Manufacturer | Dow | | Manufacturer Part Number | 99112849 | | Model Number | 99112849 | | Number of Items | 1 | | Number of Packs | 1 | | Pet Type | Fish | | Target Species | Fish | | UPC | 041343012121 | | Unit Count | 1 Count | | Unit count | 1 Count | ## Product Details - **Brand:** Great Stuff - **Item form:** Foam - **Item weight:** 456 g - **Liquid volume:** 12 Fluid Ounces - **Manufacturer:** Dow ## Images ![99112849 Smart Dispenser Pond & Stone, 12 oz, Black - Image 1](https://m.media-amazon.com/images/I/719j+jP97XL.jpg) ## Questions & Answers **Q: Will 12oz. cover a large area? small waterfall** A: This product expands a lot and is used for filling in spaces, stopping leaks around rocks and for keeping rocks from falling or moving once placed. One can should fill in around a good amount of rocks if used as intended. I had a small leak in my koi pond waterfall (a rock worked loose) and this worked beautifully for that repair. **Q: Is is safe for my fish pond** A: Yes - very safe for fish ponds. I've used it on both our fish ponds for years and no issues. **Q: will it work on WET surface** A: I believe the surface should be dry and clear of dirt/grease/algae,etc. when it is applied. After it cures it can be wet. **Q: Would this repair a hole in a very thick vinyl in my Fisk pond?** A: I wouldn't trust it long- term against water pressure and bacteria, etc. You can buy special pond liner repair tape which is black vinyl with extra sticky waterproof glue. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excelente producto *by Y***P on 5 November 2025* Muy rendidor, fácil de aplicar ### ⭐⭐⭐⭐⭐ Overpriced *by K***H on 26 May 2026* Really good but horrendously overpriced ### ⭐⭐⭐⭐⭐ Perfect water-diverting grip for backyard waterfalls—and the new valve actually saves the leftovers! *by A***À on 25 July 2026* Building or maintaining a rock waterfall means constantly battling water loss. If water slips into the gaps under your flagstones, your waterfall loses its visual impact and drains your reservoir. I used this Great Stuff Pond & Stone Insulating Foam Sealant to bridge the voids between my landscape boulders.Historically, single-use spray foam cans are notorious for clogging permanently after one use. This "Smart Dispenser" version completely changes the game for multi-day DIY builds. Here is my field test of how it performs under direct water exposure.1. The Smart Dispenser (Is it actually reusable?)Standard red-straw spray foam cans seal themselves shut within two hours of your first spray.The Performance: The spring-loaded mechanism on this new clear-trigger assembly stops the flow instantly when you let go of the trigger, eliminating annoying, messy post-drip strings.Reusability Test: I deliberately left a half-empty can sitting on my workbench for 12 days mid-project. When I picked it up again, I simply scraped a tiny bit of cured foam off the very tip of the tip, tipped it over, and it immediately dispensed a smooth, uniform bead without sputtering or locking up. The 30-day reusability claim is completely accurate.2. Hydrodynamics and Placement StrategyWater Diversion: It is critical to note that expanding polyurethane foam is a water diverter, not a 100% waterproof rubber membrane. It expands beautifully into deep crevices (up to 1 inch thick) to form a dense, closed-cell barrier. By filling the voids beneath my spillway rocks, it forces 100% of the stream to flow visually over the top face.Color Blending: The foam cures to a dark charcoal/black hue. Against slate, granite, or river rock, it melts away seamlessly into the natural shadows of the structure.3. Material Bonding & Curing RealitiesIt clings aggressively to both porous concrete pavers and rough, natural stone.Application Prep: While the label states it can be applied to damp surfaces, I achieved far better adhesion by wire-brushing loose dirt and mud off the rocks first.The Cure: It expands with minimal force (so it won't push your heavy stones out of alignment) and cures to a touchable state within an hour, reaching full structural cure in about 8 hours. Once cured, it is completely inert and 100% safe for koi, goldfish, and aquatic plants.Pros & ConsPros: True 30-day reusability saves money on small touch-ups, black color blends perfectly into rock shadows, fish and plant safe.Cons: Like all polyurethane foams, it degrades under intense, direct sunlight over time; you must tuck it deep into shadows or paint/coat exposed edges to protect it from UV damage.Final VerdictIf you are tired of throwing away half-used cans of messy building foam, the upgraded Smart Dispenser makes this product worth every penny. It provides a fast, sturdy bond without the mess of mixing traditional mortar, drastically increasing waterfall flow performance. No odor easy to use. Wear gloves ## Frequently Bought Together - GREAT STUFF 99112849 Smart Dispenser Pond & Stone, 12 oz, Black - Black Aquarium Silicone Sealant - 10.2 Fluid oz Cartridge - Clear Aquarium Silicone Sealant - 10.2 Fluid oz Cartridge --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.za/products/254810383-99112849-smart-dispenser-pond-and-stone-12-oz-black](https://www.desertcart.co.za/products/254810383-99112849-smart-dispenser-pond-and-stone-12-oz-black) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-08-19*