Chemstrip 9 Urine Test Strips, 100/vialRoche Chemstrip 9 Parameter Urine Reagent Test Strips are a reliable and accurate way to test urine for various substances. The test strips work by detecting the presence of various substances in urine, and then providing a color reading that corresponds to that substance. This makes it a quick and easy way to test for things like glucose, ketones, and blood in urine. The test strips are also sensitive enough to detect low levels of substances, making