Hanna Free Chlorine Checker Reagents - 100 Pack Pellet and Flake Fish Food and bright orangey-red stripes run

and bright orangey-red stripes run from its nose to its tail

Independent colour channels: Fine-tune the light to support plant response while maintaining an attractive freshwater display

Sand should be at least 3 inches deep

Genesis Rock blocks measure approximately 4 in x 4 in x 7/8 in each

Flow range: 3-12 GPH

Hanna Free Chlorine Checker Reagents - 100 Pack Pellet and Flake Fish Food and bright orangey-red stripes runHanna Free Chlorine Checker Reagents 100 Pack Hanna Free Chlorine Checker Reagents 100 Pack are DPD powder reagents for the colorimetric determination of free chlorine in compatible Hanna photometers and free chlorine testing applications. Free Chlorine Reagents for Water Testing Used for free chlorine testing by colorimetric DPD method. Provides enough reagent for 100 tests. Useful for checking treated water, source water, pool water, spa water, and