Hanna Combo pH & ORP + Temperature Tester bloom Evaporative cooling means less retained

Evaporative cooling means less retained heat

Grow Into The Winter

C Bloom and B

Also makes an excellent “All Purpose” plant food

HI98100 Checker Plus pH Tester

Hanna Combo pH & ORP + Temperature Tester bloom Evaporative cooling means less retainedHI98121 is a waterproof meter that measures pH, ORP and temperature. The housing of this tester has been completely sealed against humidity and are designed to float. Electrode replacement with the stainless steel round connector means there are no pins to bend or break during replacement. When the cloth junction becomes clogged and response time is sluggish, simply pull out 3 mm (1 8") to clear the clogging which will improve response time and