Light, easy to use, safe for long term use. Safe for long term use. Easy to use; one tablet per litre, let sit for 30 minutes. No aftertaste but sometimes a bit of odor when you first open the water bottle. Approved and used by: NATO, WHO, Unicef, International Red Cross, Medecins Sans Frontieres, and Oxfam. Full review
Aquatabs water purification tablets are effervescent tablets which kill microorganisms in water to prevent water-born diseases. MSR will start distributing Aquatabs under its brand name in 2012.