Hanna GroLine Combo Meter Replacement Probe Bat Guano and a vacuum breaker valve

and a vacuum breaker valve

• Made from durable

This is the useful and balanced nitrogen additive you have been searching for

The HI1285-7 is designed for use with Hanna's HI9814 portable multiparameter meter

The Bluelab pH Pen is the latest innovation for hand held meters

Hanna GroLine Combo Meter Replacement Probe Bat Guano and a vacuum breaker valveThe HI1285 7 is a 3 in 1 pre amplified multiparameter probe that measures pH, EC TDS, and temperature within a single polypropylene body. The pH portion of this probe is constructed with a cloth junction, maintenance free polymer gel electrolyte, and a low temperature glass sensing bulb. The EC TDS portion of this probe utilizes two stainless steel pins for an amperometric determination of conductivity and total dissolved solids. A built in