Tear off approximately 2 inches of paper and dip in solution. Remove and promptly compare with colors chart on determine corresponding pH.
Hydrion paper works best with buffered solutions. For best results, unbuffered solutions should be tested with our Lo ion kits.
Universal Herbs Inc.
1817 Addison Way
Hayward, CA 94544
HerbsPro.com sells top brand nutritional supplements, vitamins, cosmetics, pet care products and more. We are continually expanding our inventory to bring you what you want and at prices you can afford. HerbsPro.com currently offers around 30000 products from over 1000 nationally renowned manufacturers..More