? RAPID VISUAL RESULTS WITH 14 TESTS IN ONE: Visual color change readings within 30 seconds. Monitor multiple analytes in one sitting, including Total Alkalinity, Total Hardness, Free Chlorine, Chromium, Cyanuric Acid, Nitrite, Copper, Nitrate, pH, Iron, Lead, Fluoride, Bromine, and Total Chlorine. ? EASY TO USE: Affordable and easy testing of all types of water sources including drinking water, tap water, well water, pool water, spas, and aquariums. Easy interpretation - no assistance needed - no lab tests required. Each bottle comes with 100 test strips, ensuring plenty of tests. ? HIGH QUALITY MATERIALS: FDA & CE Approved. High-quality test strip reagents and materials ensure a long shelf life for the test strips as well as resistance to moisture. ? FREE EBOOK INCLUDED: With your purchase, you will receive a free ebook about water quality, how to monitor water quality, and common contaminants in drinking water. You will receive this via e-mail (please contact us if you don't receive this). ***IMPORTANT: PLEASE SEE OUR PRODUCT IMAGES OR OUR DESCRIPTION BELOW FOR RELEVANT PRODUCT INFORMATION BEFORE ORDERING. OUR TEST STRIPS ARE DESIGNED FOR VERSATILITY. ALSO, PLEASE NOTE THAT WHEN YOU TEST WATER FROM DIFFERENT SOURCES, YOU CAN'T ALWAYS EXPECT THE RESULTS TO BE DIFFERENT - THIS IS BECAUSE DIFFERENT WATER SOURCES MAY SOMETIMES CONTAIN THE SAME LEVEL OF ANALYTES.