Lithchlor is a highly soluble Chlorine based disinfectant product. Lithchlor kills bacteria, viruses and pathogens in hot tub water. It also prevents the growth of these harmful organisms in hot tub water. This can be used as a periodic shock treatment, and with its alkaline formula, it can also prove ideal for situations with consistently low pH source water. Lithchlor has a very high pH value of 11.0.