Api Reef Master Test Kit
Measure the most important reef aquarium levels including calcium, carbonate hardness (KH), phosphate, and nitrate with the REEF MASTER TEST KIT. Proper balance is key to the overall health of reef inhabitants.
Key Testing Parameters
| Parameter | Measurement Range |
|---|---|
| Calcium | 100–450 ppm |
| Carbonate Hardness (KH) | 2–20 dKH |
| Phosphate | 0.01–10 ppm |
| Nitrate | 0–100 ppm |
FAQ
How often should I use the REEF MASTER TEST KIT?
It is recommended to test water parameters weekly, or more frequently during water changes or after adding new livestock.
Can this test kit be used for freshwater aquariums?
No, this test kit is specifically designed for marine and reef aquariums and is not suitable for freshwater systems.
Is the test kit reusable?
Please contact customer service

Sebastian James –
The test kit is easy to use and gives accurate results. I’ve been using it for three months and my reef tank has stayed stable. The color changes are clear and the instructions are straightforward.
Steven Marshall –
Good for basic reef monitoring. The calcium and KH readings are reliable. I found the phosphate test a bit tricky at first, but after a few tries I got the hang of it.
Tracey Dickens –
I appreciate the comprehensive testing in one kit. It saves time compared to buying separate tests. My coral health has improved since I started using this regularly.