this compact flow meter helps you track exactly how much water has passed through your filters—so you know precisely when it's time for replacement

This professional-grade digital meter measures salinity in multiple units (Specific Gravity

Essential for maintaining accurate dissolved oxygen measurements in aquariums

Certification: NSF42 certified

the CD97 delivers reliable ppm readings with Automatic Temperature Compensation (ATC) in a pocket-sized form factor

Milwaukee MI507-100 Reagents for Ammonia Low-Range Photometer filter life indicator this compact flow meter helpsMPN: MI507 100 For use with: MI407 Quantity: 100 tests Test: Ammonia Low Range Description The MI507 100 Ammonia Low Range liquid reagent kit includes high quality reagents that are ready to use with Milwaukee's Low Range Ammonia photometer MI407. The reagents and the meter use the Adaptation of The Nessler Method. Simply add the reagent to the sample, wait for the reaction to take place and the photometer determines the concentration based on the