All orders now dispatched on the same working day (Mon-Fri) if purchased before 3pm \nGreen Drain Test Dye - PACK OF 2 - FREE Next-Day Delivery\nHorobin Green Non-Toxic Drain Tracing Dye - 200g\nDrain Tracing Dye is used for detecting the flow of water in drains or pipes, identifying individual drain runs into a common gully, and tracing leaks in drains.\nUse 5g of dye per 10 litres of cold water. The best method is to mix the dye into a bucket of water, and then add to the flow of the drain. A 200g jar will trace up to 15,000 litres in chemical-free water.\nTechnical Specifications:\n\n--Drain Tracing Dye\n\n--Colour - Green\n\n--Brand - Horobin\n\n--Detecting the flow of water in all types of pipes.\n\n--Made from 100% food-grade products\n\n--Odourless and biodegradable\n\n--Tracing leaks in drains.\n\n--Identifying individual drain runs.\n\n--Non Toxic Dye\n\n--Bottle Size - 200g\nPlease Note: Horobin Drain Dye 200g - This product will permanently stain anything that\uFFFDs porous