White concrete pigments give the concrete a lighter shade – but it will never be completely white. To become white all of the components in the concrete need to be white: sand, cement and stone. We recommend a maximum of 15 grams of pigment per kg of standard fine concrete; otherwise the concrete becomes too brittle. But you can even increase and double the dose where strength isn't an issue, for example, on a small white decorative heart attached to a sconce. Detailed description included.