Sodium bicarbonate or Sodium hydrogen carbonate of CAS No.144-55-8, is a chemical compound with chemical formula NaHCO3. Sodium bicarbonate is a white color solid that is crystalline in nature also appears as a fine powder. It is alkaline in nature and resembles washing soda. It can be administered to pools, spas, and garden ponds to enhance the pH levels. It serves to be a disinfectant.