Hanna Instruments ULR Phosphate Reagent HI774-25 tgr therefore Component C can also

therefore Component C can also be used by novice aquarists

When there are insufficient areas of a tank which are deprived of oxygen (anaerobic zones) or denitrification is not taking place properly

Rinse Hydrometer with distilled water

Thanks to the special composition of multiple forms of organic carbon

hang-on-back filters or overhead/trickle filters

Hanna Instruments ULR Phosphate Reagent HI774-25 tgr therefore Component C can alsoThe HI774 25 are the replacement reagents for the HI774 Phosphate Ultra Low Range Checker HC. These high quality reagents are manufactured in our state of the art facility and are clearly marked with the lot number and expiration date on each packet for traceability. Good for 25 tests