Construction Process of S.O.D Liquid 1. Spray S.O.D. Liquid solution onto walls, floors, ceilings, curtains, furniture, etc. 2. Far infrared occurs on the spray surface and combines with moisture in the air. 3. Moisture in the air is absorbed by far-infrared energy, resulting in two ions: H3O+, H3O 4. Hydronium plus ions decompose into water, and hydroxyl negative ions replace harmful substances in the air to remove them. 5. A pleasant antioxidant space is created for breathing