Choose from 10 different Indigo® pH & litmus strips, papers & sheets for all your acid & alkaline testing requirements at home or in the lab. Full documentation provided including a Stability Statement, Certificate of Analysis & SDS available on request). Optional next day delivery in any quantity of most items. Buy Indigo® test strips, the brand you can trust for accuracy & technical support. Call us on our toll free line for immediate assistance or e-mail us with your questions. 1 hour response is typical during business hours, M-F, slightly longer on weekends.
pH, the amount of acid or base in (mostly) aqueous solutions, is important in areas as diverse as health, food & water testing, electroplating and more. Choose specific strips depending on the accuracy you need over a narrow or wide range.
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The method you choose for measuring pH pH measurements depends is largely determined by the accuracy you need. The choices below go from least to most.