The pH test can quickly identify the acidity or alkalinity of most substances. For dry concrete slab surfaces, follow instructions to quickly identify pH. For wet surfaces, such as runny adhesive or trapped moisture under a floor, simply dip the pH paper into the moisture. Then compare the color to the chart and write down the result in the booklet. Each kit contains enough pH paper to do at least 12 sites. The pH test kit is included in all 3, 12 and 100 pack Vaprecision test kit sets.
The pH pen allows you make a mark on a clean concrete slab and witness the color change, then compare it to the chart. Ideal for quick estimates.
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