EC6 ReColour Dye - UV Yellow 5060175589408 EC6 ReColour is a concentrated dye for PC water cooling. Each 30ml bottle of ReColour can dye 5 litres of coolant at our recommended ratio of 6ml per litre. EC6 ReColour Dyes provide vibrant, stable and long lasting colours. Specifications: Resealable Twist/Lock Cap Dyes 5 Litres of Coolant (at 6ml per litre) Vibrant Colours Long Lasting Dyes Non-Toxic Tested with EC6, ECX and Ultra Pure Water Tested with PVC, PETG, Acrylic and Metal Tubing