Hydrostone Plaster - Ceramic Supply Pittsburgh

Clay - Ceramic Supply Pittsburgh

Hydrostone - The Compleat Sculptor

HYDROSTONE 30 Minute Set - 5 lb Bag - One of The Hardest Plaster - Great for Casting, Model Railroad, Mold Casting - Made in The USA

Hydrostone Plaster for Scenery, Dioramas, Dentistry and Mold Casting and Great for Model Railroads & Gaming (5 Pound)

Plaster Hydrostone – Clayscapes Pottery, Inc

Collections - Ceramic Supply Pittsburgh

Collections - Ceramic Supply Pittsburgh

CURRENTLY OUT OF STOCK UNTIL AT LEAST JANUARY, Stock Levels not Online, Harder than USG1 pottery plaster, but softer than ceramical.

Plaster Hydrostone

Ceramic Supply Pittsburgh

Plaster Hydrostone – Clayscapes Pottery, Inc

Hydrostone - The Compleat Sculptor

U.S. Gypsum HYDROSTONE 50 lbs. Bag

Ceramic Supply Pittsburgh

Clay - Ceramic Supply Pittsburgh

Hydrostone - All Sizes – brickintheyard