--- product_id: 215926027 title: "Hydro-Stone Plaster for Scenery, Dioramas, Dentistry and Mold Casting, Also Great for Model Railroads & Gaming (25 lb)" brand: "laguna" price: "฿12577" currency: THB in_stock: true reviews_count: 8 category: "Laguna" url: https://www.desertcart.co.th/products/215926027-hydro-stone-plaster-for-scenery-dioramas-dentistry-and-mold-casting store_origin: TH region: Thailand --- # Quick setting in minutes Water-resistant resealable bag 40-50% harder than standard plaster Hydro-Stone Plaster for Scenery, Dioramas, Dentistry and Mold Casting, Also Great for Model Railroads & Gaming (25 lb) **Brand:** laguna **Price:** ฿12577 **Availability:** ✅ In Stock ## Summary > ⚡ Cast with confidence, create with precision! ## Quick Answers - **What is this?** Hydro-Stone Plaster for Scenery, Dioramas, Dentistry and Mold Casting, Also Great for Model Railroads & Gaming (25 lb) by laguna - **How much does it cost?** ฿12577 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/215926027-hydro-stone-plaster-for-scenery-dioramas-dentistry-and-mold-casting) ## Best For - laguna enthusiasts ## Why This Product - Trusted laguna brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Mess-Free Storage:** Comes in a water-tight resealable bag to keep your plaster fresh and ready, project after project. - • **Custom Color Ready:** Easily mix in liquid or crystal pigments to create personalized, vibrant finishes that stand out. - • **Ultra-Durable Castings:** Hydrostone delivers 40-50% greater hardness for museum-quality detail and longevity. - • **Lightning-Fast Set Time:** Get your projects ready in record time with rapid curing that keeps your workflow seamless. - • **Precision Detail Capture:** Perfectly replicates fine textures and intricate designs for professional-grade dioramas and models. ## Overview Hydro-Stone Plaster is a premium, commercial-grade gypsum plaster designed for ultra-hard, detailed castings. It sets quickly and is 40-50% harder than typical casting plasters, making it ideal for scenery, dioramas, model railroads, gaming miniatures, and dental molds. Packaged in a water-resistant resealable bag, it accepts pigments for custom coloring and ensures mess-free storage. Not suitable for outdoor use or body casting. ## Description Hydrostone quick setting white / light gray casting plaster. Full strength gypsum plaster is not cut with cheap plaster fillers like the popular brand! Designed for strength and casting detail. Accepts liquid or crystal pigment colors and stains. Packed in water tight resealable bag, not a leaky carton. Great for model railroads scenery, gaming castings, and school project dioramas. Not for body casting. Review: Hydro stone for Jewelry container - I bought this hydro stone for a jewelry container and it came out nice Review: Good Quality. Works Well. Dries FAST! - Great stuff! I’ve made some BEAUTIFUL vessels with this and Folk Art Metallic Paint. ## Features - Hydrostone Plaster for Scenery Dioramas and Casting, Creates Super Hard Castings With Great Detail - Quick setting, lightweight white / light gray plaster in water resistant resealable bag. Ideal for patterns, figurines, commercial casts, and sculpture. It is not for making outer or mother molds, and it is not recommended for outdoor use. - Full strength Hydrostone gypsum plaster, not cut with cheap plaster fillers - Designed for strength and casting detail. Hydrostone is 40% to 50% harder than casting plaster and works much like plaster in mixing, pouring, and setting. - Accepts liquid or crystal pigment colors and stains ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B084MB96TN | | Best Sellers Rank | #63,451 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #542 in Sculpture Molding & Casting Products | | Brand Name | Laguna | | Color | Not Specified | | Customer Reviews | 4.6 4.6 out of 5 stars (87) | | Grade Rating | Commercial | | Item Dimensions | 13 x 10 x 3 inches | | Item Form | Powder | | Item Shape | Square | | Manufacturer | USG | | Material | Plaster | | Number of Items | 1 | | Part Number | Hydrostone | ## Product Details - **Brand:** Laguna - **Color:** Not Specified - **Item dimensions L x W x H:** 13 x 10 x 3 inches - **Material:** Plaster - **Shape:** Square ## Images ![Hydro-Stone Plaster for Scenery, Dioramas, Dentistry and Mold Casting, Also Great for Model Railroads & Gaming (25 lb) - Image 1](https://m.media-amazon.com/images/I/61BjjsYFtHL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Is hydrostone heavy when dry?** A: Heaviness is relative. **Q: Is it very white not off white** A: hydrostone is mostly very white. it can be off white depending on several factors including batch variation, water impurities when mixing, and others. it is usually very white. **Q: What is the density of the powder?** A: 108 lbs/cu. ft dry, 119 lbs/cu ft wet. The 50lb bag of powder is about 24"x16"x7". So that's approximately 1.5cu ft. 50/1.5 gets you about 33 and a 1/3. Right around there. I don't know the exact dimensions of the bag, yo. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Hydro stone for Jewelry container *by P***S on February 16, 2026* I bought this hydro stone for a jewelry container and it came out nice ### ⭐⭐⭐⭐⭐ Good Quality. Works Well. Dries FAST! *by M***M on August 26, 2025* Great stuff! I’ve made some BEAUTIFUL vessels with this and Folk Art Metallic Paint. ### ⭐⭐⭐⭐ Good product…wish it was more budget friendly *by K***O on September 29, 2025* This is a good product not too hard to make what I wanted it for it dries fast the color is amazing I use this to make my cement candle vessels It’s on the expensive side but it eorkef ## Frequently Bought Together - Hydro-Stone Plaster for Scenery, Dioramas, Dentistry and Mold Casting, Also Great for Model Railroads & Gaming (25 lb) - Norpro Silicone Bowl Set 3 Piece Red 1019R - Eco Advance Concrete/Masonry Siloxane Odorless Spray-On Application Waterproofer Concentrate, Safe for Use Around Plants, Pets, and People, 1 Gallon --- ## 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.th/products/215926027-hydro-stone-plaster-for-scenery-dioramas-dentistry-and-mold-casting](https://www.desertcart.co.th/products/215926027-hydro-stone-plaster-for-scenery-dioramas-dentistry-and-mold-casting) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-04-28*