Overview
API Freshwater Master Test Kit measures the four most important parameters: pH, ammonia, nitrite and nitrate. Essential for cycling and maintaining healthy aquariums.
API gear is commonly used for freshwater planted tanks, nano aquascapes, and routine maintenance — always match capacity to your tank volume and livestock.
Key features
- Tests pH, ammonia, nitrite and nitrate
- Liquid reagent kit — more accurate than strips
- Essential for new tank cycling
- Includes test tubes, color chart and instructions
- Industry standard for freshwater aquarium maintenance
What to know before buying
- Confirm tank size, flow rate, or dosage matches your setup (check the manufacturer listing on Amazon).
- Compare the latest Amazon price with local shops — affiliate links do not change what you pay.
- Read recent buyer reviews for packaging, noise level, and long-term reliability.
Who this is for
Ideal if you run a planted freshwater tank or aquascape and want a proven api product with wide availability in the US and international Amazon marketplaces.