12 Unique hypertufa projects for the garden | Flea Market ...
Hypertufa is a mix of equal parts Portland cement, perlite and sphagnum moss. Use a 1 quart container to measure and mix everything in a galvanized plastic tub. For molds, start with inexpensive container from the Dollar Store. For complete instructions see, Make your own cement planters Then graduate to leafcastings, birdhouses, variations in ...