Can only be used with EnviroTex Resin water kits. When mixing EnviroTex, be certain the two parts (resin & hardener) are stirred completely. It is at this time to mix the color tints. The most commonly used combination for general river water is: 3 drops blue, 1 drop of green, and 1 drop of amber for each 10 ounces of mixture. Opaque dyes are used for deep water, muddy water and ice.