Water Cooler Spares- Aqua-dosa- Sanitiser To be replaced when necessary Price: £11.63 incVAT 100ml Anti-bacterial fluid suitable for water dispensers, domestic/vending machines, UV systems, RO reservoirs, caravans and boats. Simply add the contents of the bottle to the water tank or supply pipes. Allow the water to flow until full. Allow to stand for approximately five minutes then flush through with clean water. For best results repeat every three months. IN STOCK NOW. FREE MAINLAND UK DELIVERY IN 2-3 WORKING DAYS.