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Ships within 48 hours · Estimated delivery Sep 5 - Sep 10
The Hanna Lab App can be downloaded for free by visiting the Apple App Store or Google Play stores
and foster overall plant vigor
Power cord with roller switch
Biological activator
Hanna Combo pH & ORP + Temperature Tester microbial fertilizer The Hanna Lab App canHI98121 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
