API Master Freshwater Test Kit Long Expiry  This kit tests tap water and aquarium water for five different parameters that affect the health of freshwater fish: • pH • High Range pH • Ammonia • Nitrite • Nitrate Highly accurate and economical.  Unique, transparent dome allows clear view of contents.  Includes all tests required to test the nitrogen cycle.  Kit includes computer-calibrated and laminated colour cards, 4 glass test tubes and holding tray.  Also contains complete, step-by-step instruction booklet, including information on how to correct unsafe water conditions.  Compact and easy to store.  Over 800 tests. Kit contains: • 7 Bottles of solutions • 4 x Plastic test tubes with snap-tight cap • Holding tray • Step-by-step instructions • Information on correcting an unsafe environment • Laminated computer calibrated colour chart