Tests calcium carbonate hardness, phosphate, and nitrate for comprehensive water quality monitoring
Includes four glass test tubes and a holding tub for reusable, organized storage
Comes with a complete step-by-step instructional booklet and color chart for easy, accurate results
Fast and easy testing process reduces stress on aquarium inhabitants
Calibrated specifically for reef aquariums to protect sensitive marine life
Summarized by Shop
The API® REEF MASTER TEST KIT test 4 key parameters – calcium, carbonate hardness, phosphate, and nitrate – to keep reef inhabitants healthy. Testing is fast, easy, and accurate, yielding precise results, and comes with 4 test tubes and a convenient holding tub for easy, reusable storage. This kit also includes a complete, step-by-