The 50ml water purification DIY dry kit or 50ml CLO2 DIY dry kit.

This product allows you make your purification from the dry ingredients - Sodium Chlorite and Citric Acid. The pack contains 2 x 50ml plastic bottles marked Part A and Part B with two sachets containing your sodium chlorite and citric acid. Simply add the required mineral water to each container and you will have a ready to use A and B purification liquid formula to make CLO2 per drop.

This product also comes in a 100ml option

This is not medical advice and you most consult widely and make your own decisions.