🔍 Unleash the Power of Precision Testing! No bleeding of colors, even in strong bases. Measure pH in unbuffered solutions with ease. ISO 13485 certified for medical device reliability. CE-marked for both professional and self-testing use. Ideal for testing body fluids like urine and saliva. CE-marked for safety 6mm x 85mm size ISO 13485 certified Camlab 1138924 pH-Fix indicator paper test strips offer a reliable and professional solution for measuring pH levels in various body fluids. With a range of pH 4.5-10.0, these CE-marked and ISO 13485 certified strips ensure accurate results without color bleeding, making them perfect for both clinical and personal use.