---
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: "€ 66.48"
currency: EUR
in_stock: true
reviews_count: 8
category: "Laguna"
url: https://www.desertcart.sk/products/339089877-hydrostone-plaster-for-scenery-dioramas-dentistry-mold-casting-ant-colony
store_origin: SK
region: Slovakia
---

# 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:** € 66.48
**Availability:** ✅ In Stock

## Summary

> 🎯 Cast with confidence, create with color, and never miss a detail!

## 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?** € 66.48 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/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

- • **Mess-Free & Ready:** Comes in a water-resistant resealable bag to keep your plaster fresh and spill-free.
- • **Fast-Track Creativity:** Quick setting formula means your projects dry rapidly, so you can move on to the next masterpiece.
- • **Vibrant Customization:** Easily mix in liquid or crystal pigments to bring your dioramas and models to life with vivid color.
- • **Ultra-Durable Castings:** Hydrostone is 40-50% harder than typical plaster for long-lasting, detailed models.
- • **Versatile Pro-Grade Material:** Perfect for scenery, dioramas, mold casting, dentistry models, and gaming miniatures—professional quality for every creative pursuit.

## Overview

Hydrostone Plaster is a premium, quick-setting gypsum plaster that delivers 40-50% greater hardness than standard casting plasters. Packaged in a water-resistant resealable bag, it supports detailed, durable castings ideal for dioramas, model railroads, dentistry, and gaming miniatures. It accepts liquid and crystal pigments for vibrant customization, making it the go-to choice for professionals and hobbyists seeking precision and quality.

## 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: Good Quality. Works Well. Dries FAST! - Great stuff! I’ve made some BEAUTIFUL vessels with this and Folk Art Metallic Paint.
Review: Great Product! - I love Hydrostone so much! It makes beautiful pieces! This is a great price!

## 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 |
| Customer Reviews | 4.6 4.6 out of 5 stars (82) |
| Date First Available | February 9, 2020 |
| Item Weight | 2.5 pounds |
| Manufacturer | USG |
| Product Dimensions | 11 x 8 x 2 inches |

## Product Details

- **Brand:** Laguna
- **Item dimensions L x W x H:** 11 x 8 x 2 inches
- **Number of Items:** 1
- **Shape:** Flat
- **Specification Met:** Yes

## 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.

## Customer Reviews

### ⭐⭐⭐⭐⭐ 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.

### ⭐⭐⭐⭐⭐ Great Product!
*by M***N on July 29, 2025*

I love Hydrostone so much! It makes beautiful pieces! This is a great price!

### ⭐⭐⭐⭐ 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

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

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-02-26*