The API Phosphate Test Kit is simple and easy to use.
Phosphates can be a real problem if levels get too high, they are a key cause of algae growth which can be difficult to combat.
Testing regularly will allow you to check levels with the tritation method and compare the results with the easy to read colour chart.
It is capable of accurately testing phosphate levels from 0 to 10ppm and suitable for freshwater and marine aquariums.
This kit contains 150 tests.