API Reef Master Test Kit 4 in 1 - Calcium, Carbonate Hardness, Phosphate & Nitrate

The API Reef Master Test Kit provides easy, accurate test solutions for 4 key parameters in ideal reef aquariums:

  • Calcium (70 tests) 
  • Carbonate Hardness (no. of tests varies by water hardness)
  • Phosphate (150 tests) 
  • Nitrate (110 tests)


  • Easy to read instructions with information on how to correct unsafe water conditions
  • Highly accurate and economical
  • Unique, clear dome packaging is waterproof, space-efficient and makes contents easy to see

Expiry Date:


API Reef Master Test Kit includes:

  • 7 test bottles with child-safety caps
  • 4 glass test tubes with snap tight caps
  • Colour charts
  • Instruction booklet
Brand API
Model # 402M
Barcode # 0317163134023
Shipping Weight 0.6500kg