Water Sterilisation and Purification tablets are a lightweight alternative to carrying your litres of water when on a long hike or on a camping trip when access to fresh water is not possible. Simply put a water sterilisation tablet into any flowing water you find and it give you safe clean drinking water. Avoid filling up from standing water as this will likely be full of mud and grit. We also stock a range of water bottles that have filters letting you dunk the water bottle into a water source and start drinking right away.