This water treatment is perfect for domestic external water tanks, caravans, yachts, and more. It controls bacteria, viruses, and algae without chlorine, taste, or odor. One litre treats up to 650 litres of water (with normal dosing after initial use). Safe, effective, and easy to use.

• Controls all forms of bacteria, viruses and algae commonly found in tank water
• Safe, effective and easy to use
• Totally-chlorine, tasteless and odourless
• 1 litre treats up to 650 litres of water (normal dosing after initial use)