OPTI-TONE CEMENT COLOURANT BROWN 1LTR - OPTITONEBN1 OPTI-TONE is a one-shot cement colourant that enables accurate colour matching and consistency between different batches of mortar. - Fast colouring formulation - Controlled dosage - Consistent mix design - Easy to use and less messy than powder - No waste and no more colour differences in mortar batches - 1 litre is equivalent to 5 litres of standard product - 250ml is equivalent to 1.25 litres of standard product