All our water purification tablets are Oasis branded (UK). The effervescent chlorine tablets are lethal to pathogenic bacteria, viruses, spores, algae, fungi, and cysts. To use, simply drop a tablet in the suspect water and wait 20 minutes. For dilution rates please see individual product descriptions.
Our water purification bottles use replaceable filters to make water safe for drinking. These filters do not use chemicals and require no electric power to operate.