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ETL Certified for Lab use
not the gush a coarse emitter puts out
A 100% return on investment (ROI) in as few as two cycles of usage from higher quality flowers
Priced by the Thousand
and dropping both cuts the per-packet cost
Replacement Electrode for Hanna Checker pH Tester (HI 98103) Optic Foliar Nutrients ETL Certified for Lab useAt the cost of just a few rolls of litmus paper, you can have the industry's best pocket size pH tester. The Checker supplies you with fast and accurate readings from 0. 00 to 14. 00 pH with a resolution of 0. 01 pH. This compact tester features a large easy to read LCD and a simple to perform 2 point calibration. The pH electrode of the Checker can be replaced; simply unscrew the electrode from the meter body and screw on a new one. The Checker is
US$ 120.00
US$ 30.00
US$ 28.00
US$ 100.00
