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TDS Calibration Solution 1382 (for Hanna Combo pen)
TDS Calibration Solution 1382 (for Hanna Combo pen)
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Calibration / Probes

Calibration / Probes
Image Name Price  
Bluelab Conductivity Probe Cleaning Kit Bluelab Conductivity Probe Cleaning Kit
Conductivity readings are only accurate if the probe is clean. This kit contains everything needed to clean a conductivi…
 $19.95
$18.50
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GH 4.01 Calibration Solution - 8oz GH 4.01 Calibration Solution - 8oz
Calibration Solution 4.01 from General Hydroponics - 8oz bottle
 $7.50
$7.00
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GH 7.0 Calibration Solution - 8oz GH 7.0 Calibration Solution - 8oz
Calibration Solution - 7.0 from General Hydroponics - 8oz bottle
 $7.50
$7.00
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Hanna 1500ppm Calibration Solution - 230mL Hanna 1500ppm Calibration Solution - 230mL
GroCheck conductivity solution made from high quality Potassium Chloride is standardized and calibrated. Conductivity va…
 $12.95
$11.00
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Hanna Electrode Cleaning Solution - 230mL Hanna Electrode Cleaning Solution - 230mL
Proper maintenance is the key to ensuring the accuracy of any pH tester. Hanna Electrode Cleaning Solution, used at leas…
 $15.95
$13.00
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Hanna pH Replacement Electrode Hanna pH Replacement Electrode
This replacement electrode is compatible with both the red pH Waterproof meter and black combo waterproof pH/temperature…
 $52.95
$50.00
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TDS Calibration Solution 1382 (for Hanna Combo pen) TDS Calibration Solution 1382 (for Hanna Combo pen)
TDS Calibration Solution for the Combo Waterproof Tester. 230 mL.
 $12.95
$12.00
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