Available on Request Precision Precision QAC Test Strip, QAC-1500, 1500ppm, 64 x 5MM, PK50 The High Level QAC Test Strip (Quaternary Ammonium Compounds) measures the range of 1-1500 ppm in increments of 200, 400, 750, 1000 and 1500 ppm, and gives results in just seconds. Check for higher... Available on Request Quick view Qty in Cart: 0 Price: Out of Stock Subtotal: Available on Request