API Pond Water Test Kit The API Pond Master Test Kit provides everything you need for regular testing of your pond water or even tap water. This complete kit measures pH, ammonia, nitrite and phosphate levels to help maintain ideal water condition for your finned friends. Inside the kit, you’ll find six bottles of liquid test solutions, several laminated, color-matching charts, four glass test tubes with snap-tight caps, a holding tray and an easy-to-follow instruction booklet. Simply gather your samples, add the correct test solution and compare the color with the corresponding color chart to determine each level. Key Benefits •Measures some of the most important levels, including pH, ammonia, nitrite and phosphate to maintain ideal water condition •Comes with 6 bottles of test solutions, several laminated color-matching charts, 4 glass test tubes with snap-tight caps, a holding tray and an instruction booklet. •Comes with over 500 tests, so you can maintain the quality of your water. •The kit is both compact and convenient for easy storage. •Helps keep your pond water in tip-top condition for your finned friends. What's Included (6) bottles of liquid test reagent, computer-calibrated, laminated color cards, (4) glass test tubes with snap-tight caps, holding tray, as well as a complete, step-by-step instruction booklet, including information on how to correct unsafe water.