--- product_id: 468015850 title: "Grey" brand: "pentausa" price: "HK$360" currency: HKD in_stock: true reviews_count: 13 url: https://www.desertcart.hk/products/468015850-grey store_origin: HK region: Hong Kong --- # 100% Waterproof formula Dries in 1 hour Includes unique grout float tool Grey **Brand:** pentausa **Price:** HK$360 **Availability:** ✅ In Stock ## Summary > ✨ Revive your grout, revive your space! 🏡 ## Quick Answers - **What is this?** Grey by pentausa - **How much does it cost?** HK$360 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/468015850-grey) ## Best For - pentausa enthusiasts ## Why This Product - Trusted pentausa brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Fast-Dry Formula:** Get back to your routine in just 1 hour—no waiting around! - • **Coverage That Counts:** 250g tube covers up to 16m² of 12x12 tiles—perfect for full bathroom makeovers. - • **Instant Home Refresh:** Transforms tired grout lines without removing old grout—DIY made simple. - • **Effortless Application:** Squeeze-and-smooth paste with included grout float for a flawless finish every time. - • **Waterproof & Mold-Resistant:** Engineered for wet rooms to keep grout fresh and mildew-free longer. ## Overview PentaUSA Ready Mixed Grout Reviver is a premium, fast-drying, waterproof grout paste designed for easy DIY repairs in bathrooms, kitchens, and showers. Its advanced formula fills cracks and gaps, hardens into durable sanded grout, and includes a unique float tool for smooth application. With built-in mold protection and coverage for up to 16 square meters, it offers a long-lasting, professional finish without the hassle of removing old grout. ## Description Water-based, odourless, non-toxic formula dries in an hour. Comes in wide range of colours & pack options. PentaUSA ready mixed grout fills cracks, missing sections and damaged joints with that hardens into a durable finish. 2 Pack Set Bundle Set Patio Grout Grout Removal Tool Large Grout Gold Glitter Grout Is this real grout or just a silicone? PentaUSA is a real ready mixed sanded grout that fills, bonds, and hardens into structural grout. Unlike grout pens that only paint the surface, this formula creates a permanent waterproof repair. What is the drying time? Our grout dries in an hour. For wet rooms, we recommend waiting 24 hours before exposing it to water. Do I need to remove my old grout? You do not need to remove your old grout. You can apply it directly over the existing grout. However, removing loose or damaged grout with our grout removal tool will help achieve better results. How is this different from grout pens? Unlike grout marker pens that simply paint over existing grout and offer only a temporary cosmetic fix, our ready mixed grout works as real grout. Once cured, it forms a durable, long lasting grout. How much can this ready mixed grout fill? Enough for a full bathroom floor and shower. A single 250 g tube of PentaUSA grout covers approximately 16 square metres of 12 x 12-inch tiles. Coverage may vary depending on the size of your tiles and the depth of the grout lines. We only sell patented, high-quality products. Our products are formulated by our own team and are not copies of others. As a small American business, the founder of our company recognized the need for better and easier-to-use DIY products and began creating innovative designs. Most DIY projects require time and significant skill. PentaUSA offers innovative solutions that make DIY projects easier for everyone. ## Features - ADVANCED FORMULA - Our product squeezes like a toothpaste, after it dries, it becomes a hard sanded grout. Designed to fill grout cracks and gaps while delivering a clean, natural, and long-lasting grout appearance - WATERPROOF - Engineered for wet rooms, showers, bathrooms, and kitchens. Reliable grout filler for high-humidity areas, with no complex mixing required - USE ANYWHERE - You’ll love how the renewed lines give your home an instant makeover. Use the PentaUSA grout reviver to freshen up the appearance of your bathroom, shower, kitchen, floors, bathtub, sink and more - MOULD PROTECTION - Made with an anti-mould formula that helps prevent mould and mildew growth, keeping grout lines cleaner and fresher for longer - WITH GROUT FLOATER - Unlike others, our grout set comes with an unique float tool to apply your new grout. It makes the application process super-easy! ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B09F727Y25 | | Best Sellers Rank | 1,673 in DIY & Tools (See Top 100 in DIY & Tools) 9 in Tile Grout | | Brand | PENTAUSA | | Colour | Light Grey | | Country Of Origin | Turkey | | Customer Reviews | 4.2 4.2 out of 5 stars (7,552) 4.2 out of 5 stars | | Full Cure Time | 24 Hours | | Included Components | Grout Tube, Grout Float, Manuals | | Initial Hardening Time | 2 Hours | | Item Form | Paste | | Item Weight | 8.8 Ounces | | Manufacturer | MCS HOME GOODS | | Manufacturer Part Number | 850074783015 | | Material | Premixed Grout | | Maximum Gap Fill | 1 Millimetres | | Model Number | グレー | | Number Of Items | 1 | | Surface Recommendation | tile;shower;countertop;sink;floor;wall | | Unit Count | 250.0 gram | | Upc | 739406419573 | | Water Resistance Level | Waterproof | ## Product Details - **Brand:** PENTAUSA - **Item dimensions L x W x H:** 20.3 x 5.1 x 5.1 centimetres - **Item weight:** 250 Grams - **Material:** Premixed Grout - **Style:** White ## Images ![Grey - Image 1](https://m.media-amazon.com/images/I/71vtusNJvoL.jpg) ![Grey - Image 2](https://m.media-amazon.com/images/I/81h0Sw2vs4L.jpg) ![Grey - Image 3](https://m.media-amazon.com/images/I/81TPFcktJQL.jpg) ![Grey - Image 4](https://m.media-amazon.com/images/I/81FRbbqbEEL.jpg) ![Grey - Image 5](https://m.media-amazon.com/images/I/81y1uqsatxL.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: Is this real grout or just a silicone?** A: PentaUSA is a real ready mixed sanded grout that fills, bonds, and hardens into structural grout. Unlike grout pens that only paint the surface, this formula creates a permanent waterproof repair. **Q: What is the drying time?** A: Our grout dries in an hour. For wet rooms, we recommend waiting 24 hours before exposing it to water. **Q: Do I need to remove my old grout?** A: You do not need to remove your old grout. You can apply it directly over the existing grout. However, removing loose or damaged grout with our grout removal tool will help achieve better results. **Q: How is this different from grout pens?** A: Unlike grout marker pens that simply paint over existing grout and offer only a temporary cosmetic fix, our ready mixed grout works as real grout. Once cured, it forms a durable, long lasting grout. **Q: How much can this ready mixed grout fill?** A: Enough for a full bathroom floor and shower. A single 250 g tube of PentaUSA grout covers approximately 16 square metres of 12 x 12-inch tiles. Coverage may vary depending on the size of your tiles and the depth of the grout lines. ## Customer Reviews ### ⭐⭐⭐⭐⭐ This stuff works well & improves overall appearance. *by on Reviewed in the United Kingdom 15 February 2026* Great stuff at a reasonable price, easy to use, definitely covers degraded/missing grout, excess cleans off easily after an hour or so.. did my whole bathroom for a refreshing new look👍 ### ⭐⭐⭐⭐ good easy to use product *by on Reviewed in the United Kingdom 11 January 2026* Easy to use product. Has filled int the gap in bathroom floor grout. Hopefully it will stay - time will tell if remains and whether it's water resistant?Good and easy to use product. Although too expensive of what it is so removed a star for that side ### ⭐⭐⭐⭐⭐ Buy this product!! *by on Reviewed in the United Kingdom 29 April 2026* Excellent product!! Absolutely recommend!In a new build house, grout work was pretty sloppy and grout can be very hard work to keep clean.It has made my shower look brand new, very simple instructions, VERY easy to use. Even removable is easy, you have a good 2/3 hours to scrape off any excess. I will be repurchasing this product in the future.I also purchased the HG grout protect for extra help and sealant. ## Frequently Bought Together - PentaUSA Tile Grout Repair Kit - Grey Filler, Triple Protection, Fast Drying Formula Restores and Renews Lines With Float (Grey, 8.8oz / 250gr) - PentaUSA Outdoor Grout - Premixed Patio Grout in a Tube, Ready to Use Polymeric Sand for Pavers, Repairs Stone Joints, Driveways, Entryways, Gardens - Includes Grout Float (14oz / Natural Sand Color) - PentaUSA Grout Removal Tool - Caulk Remover Tool for Tiles, Tile Grout Scraper Saw, Grout Saw, Caulking Tools, Scraper, Scrubber Brush, Tile Joint Cleaning Brush, Removes Caulks Dirts (2 Extra Blades) --- ## 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.hk/products/468015850-grey](https://www.desertcart.hk/products/468015850-grey) --- *Product available on Desertcart Hong Kong* *Store origin: HK* *Last updated: 2026-08-13*