pH Test Strips Universal Litmus Paper for Water Saliva Urine Pool Soil Liquid 1-14 - 80PCS (1 Book) Sets Or at least the non-toxic

Or at least the non-toxic child-friendly plastic version first before the real thing two decades or so down the road

1 X USB Charging Cable

Drawstring closure on top

leak-proof connection

They can be placed both indoors and outdoors

pH Test Strips Universal Litmus Paper for Water Saliva Urine Pool Soil Liquid 1-14 - 80PCS (1 Book) Sets Or at least the non-toxicEasily monitor pH levels with this universal pH test strip set. Designed for quick and accurate acid alkaline testing, these litmus strips are suitable for testing saliva, urine, drinking water, swimming pools, aquariums, skincare liquids, soil, and more. Each set includes a colour comparison chart to help you determine the pH value from 1 to 14, making it a practical tool for both personal and professional use. Features: Wide pH Range (1 14): Test