JT Baker Baker-pHix pH Indicators Strips provide accurate measurement in a variety of pH ranges. Four distinct indicator dyes are fixed to a durable plastic strip and are color-fixed and non-bleeding. Universal range sticks have resolution of 1.0 pH unit. Intermediate range sticks have resolutions of 0.3 to 0.5 pH units and narrow range sticks offer resolutions of 0.2 to 0.4 pH units.
Each strip measures 1/4 x 3 1/4". They are packaged in easy-to-use plastic boxes containing 100 strips. They have large scale and well-separated dyes for easy interpretation of results. These durable plastic strips feature up to four test zones.