Lightweight Hydrocal (1/2 Gallon) from Woodland Scenics. Lightweight Hydrocal has been specially formulated for terrain model builders. It is half the weight of Hydrocal and goes twice as far. It is the tough, quick-setting product you will prefer. Use it for casting rocks, creating a hard shell terrain, filling in around castings and as an adhesive.
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$ 13.50 Select options This product has multiple variants. The options may be chosen on the product page