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Ships within 48 hours · Estimated delivery Nov 3 - Nov 8
Meters can be recalibrated with a mini-screwdriver
effective in all growing media and growth stages
view charts as weekly
or touching the medium
each of the lights being controlled are wired in a “daisy-chain” configuration back to the Hydro-X LMA adapter
Hanna GroLine pH Tester - HI98115 periodic Meters can be recalibrated withThe pH128 GroPro is a pH tester with advanced features for the measurement of pH in hydroponic nutrient solutions. The pH128 is a very simple meter to operate with all functions including turning on off and calibration are performed with a single button. The pH128 features a replaceable HI1271 pH electrode that can be changed when needed without having to buy a new meter. The pH128 is supplied complete with a carrying case and calibration solutions.
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