Available on Request Precision Precision Protein Test Strip, PRO-1V-50, 0.3 to 10 Plus g/L, 50 Strips/Pack The Protein test strip detects residual Protein in water in increments of 0.3, 1.0, 3.0, 10.0 plus g/L. If used to test protein in urine, the color may be more green than blue. If testing urine... Available on Request Quick view Qty in Cart: 0 Price: Out of Stock Subtotal: Available on Request