AQUASAFE 100-Tab Emergency Water Purifier (100 mg)Feel quietly prepared no matter what happens because youve always got safe drinking water sorted. I remember during one of the boil notices, we were scrambling kettles on all day, not sure what was safe, and the kids asking questions I couldnt properly answer. I picked these up after that and honestly, its such a relief knowing weve a backup. Its so simple just drop one in and youre sorted. Its sitting in the press now and I dont even think about it