The acid formulation uses phosphoric acid to lower the pH to the proper level.
Delivery
All orders within the USA are shipped via UPS at the following rates (you will have the option to select your rate when placing an order):
- Free Standard (1-5 business days) — Free (orders over $100)
- Standard (1-5 business days) — $5.95
- Next Day Air (1 business day) — $18.95
