We Have API 4-in-1 Freshwater Master Test Kit For Sale. Here Are Some Highlights:
- For Testing Tap Water And Aquarium Water
- Tests Water 6 Different Ways
- Protects Tropical Fish From Dangerous Water Conditions
- Tests Include: Freshwater pH, Ammonia, Nitrite, High Range pH, GH And KH
- 4 Test Tubes And Tray
