Precision measuring with 0.02 PPM PO4 (Phosphate in the aquarium) negative ions concentration units can ratio Colors fade in to test reagents.
This test kit and one of the professional and the red sea by the use of konpuri-tori-hukeapuroguramu nitrates
NO3: PO4 – X (no biological reduces nitrate & phosphate salt) and can be added to a consistent.
* Please note this is a refill for the reagents. (older batches and mixed and do not use bleach. (Not included)
Measuring Times: 100 times
Range: 0 ~ 5PPM