These indicator strips read pH from 0 - 14 pH. A must if you wish to balance the pH of your Shampoo and Liquid soaps.
This pack contains 25 pH strips
To use:
1. Dip Strip into batch for 0.5 second
2. Shake off excess liquid
2. Compare and match colour at pH 7 on chart (if you want neutral pH)
3. Adjust formula with Citric acid or other agent
4. Retest to check
5. Note down exact change to formula to future batches
For larger packs please see item "pH Strips - Professional Pack"
