---
product_id: 339089877
title: "HydroStone Plaster for Scenery, Dioramas, Dentistry, Mold Casting, Ant Colony, Formicarium, Also Great for Model Railroads & Gaming (2.5 lb)"
brand: "laguna"
price: "€ 76.57"
currency: EUR
in_stock: true
category: "Laguna"
url: https://www.desertcart.gr/products/339089877-hydrostone-plaster-for-scenery-dioramas-dentistry-mold-casting-ant-colony
store_origin: GR
region: Greece
---

# Quick setting in minutes Accepts liquid & crystal pigments 40-50% harder than standard plaster HydroStone Plaster for Scenery, Dioramas, Dentistry, Mold Casting, Ant Colony, Formicarium, Also Great for Model Railroads & Gaming (2.5 lb)

**Brand:** laguna
**Price:** € 76.57
**Availability:** ✅ In Stock

## Summary

> ⚡ Sculpt with strength, speed, and style — don’t get left behind!

## Quick Answers

- **What is this?** HydroStone Plaster for Scenery, Dioramas, Dentistry, Mold Casting, Ant Colony, Formicarium, Also Great for Model Railroads & Gaming (2.5 lb) by laguna
- **How much does it cost?** € 76.57 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/339089877-hydrostone-plaster-for-scenery-dioramas-dentistry-mold-casting-ant-colony)

## 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

- • **Vibrant Customization:** Easily mix in liquid or crystal pigments for personalized, eye-catching finishes.
- • **Versatile Creative Use:** Perfect for dioramas, model railroads, gaming miniatures, dentistry molds, and more—professional-grade quality for every project.
- • **Lightning-Fast Setting Time:** Get your projects done faster with a quick-setting formula that saves you precious time.
- • **Unmatched Strength & Durability:** Hydrostone is 50% harder than typical casting plaster, ensuring long-lasting, resilient models.
- • **Water-Resistant Resealable Packaging:** Keeps your plaster fresh and ready, eliminating waste and mess.

## Overview

Hydrostone Plaster is a premium, quick-setting gypsum plaster designed for superior hardness and fine detail casting. Packaged in a water-resistant resealable bag, it’s ideal for professional and hobbyist use in dioramas, model railroads, gaming, dentistry molds, and sculpture. Unlike filler-cut plasters, Hydrostone delivers 40-50% greater strength and accepts pigments for vibrant, customized finishes.

## 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.

## 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 | B0962RJRLL |
| Brand Name | Laguna |
| Color | light gray |
| Customer Reviews | 4.7 4.7 out of 5 stars (95) |
| Grade Rating | Commercial |
| Item Dimensions | 11 x 8 x 2 inches |
| Item Form | Powder |
| Item Shape | Flat |
| Manufacturer | USG |
| Material | Gypsum |
| Number of Items | 1 |
| Part Number | Hydrostone |
| Specification Met | Yes |

## Product Details

- **Brand:** Laguna
- **Color:** light gray
- **Item dimensions L x W x H:** 11 x 8 x 2 inches
- **Material:** Gypsum
- **Shape:** Flat

## Images

![HydroStone Plaster for Scenery, Dioramas, Dentistry, Mold Casting, Ant Colony, Formicarium, Also Great for Model Railroads & Gaming (2.5 lb) - Image 1](https://m.media-amazon.com/images/I/51wDCeNSt8L.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.

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.gr/products/339089877-hydrostone-plaster-for-scenery-dioramas-dentistry-mold-casting-ant-colony](https://www.desertcart.gr/products/339089877-hydrostone-plaster-for-scenery-dioramas-dentistry-mold-casting-ant-colony)

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-07-23*