A mix that requires 35% water. Example: to 100 grams of investment use 35 grams of water, or use approx 2 Tablespoons investment, to 2.5 teaspoons of water. Sets in 6-8 Minutes. Dry before using. CAUTION Contains free silica. Avoid breathing the dust. To make a Ring Form wrap a piece of paper around the finger needing a ring, carefully tape it so it holds it's shape. Place paper ring on a smooth surface and fill with investment mix. +Allow a day to dry, and make a ring larger than the investment finger you have made place the larger ring (two sizes) on the cylinder and fire! Investment washes out under water after firing.