Hanna Checker Phosphate Ultra Low Range Reagent 25 Tests HI774-25 Crab generally considered reef safe and

generally considered reef safe and beneficial as a scavenger

500+ GPH 2

of aquarium water or 10ml (one cap) for 54 US gal

Capacity: bottle of 50ml (1

6 mg Mg/100l )

Hanna Checker Phosphate Ultra Low Range Reagent 25 Tests HI774-25 Crab generally considered reef safe andThe 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. Pre made reagents for ease of use Prepared with high purity chemicals Marked with expiration date and lot number for traceability