Treat stored water quickly and effectively. The Quest Aqua Tabs are foil wrapped, so they last for 5 years or more until use. Just one tablet purifies 25l of water once dissolved.The Quest Aqua Tabs have a formulation containing dichloroisocyanurate, an organic chlorine donor with superior disinfection capacity. FeaturesPurifies water - rapid dissolving.Foil wrapped - for protection when not in use.Organic chlorine donorSuperior disinfection capacityEach tablet purifies 25L of waterRemain stable for 5 years plusCertified to NSF/ANSI 60 Standards
