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![Hanna Instruments GroChek pH/TDS (ppm) Meter [HI 981404N]](images/groCheckCombo.jpg)
Model: HI 981404N: The Hanna Instruments GroChek Meter features two screens that give you a constant reading of your pH and TDS (ppm).
It offers the convenience of a two-in-one meter and allows the grower to pre-set the desired pH and TDS (ppm) levels.
An LED blinks to let you know when your hydroponics nutrients need attention.
Mounts on the wall with two wands that are always immersed into your reservoir. Ideal for agricultural, horticultural and hydroponics applications.
More info (PDF format)
Hanna Instruments GroChek pH/TDS (ppm) Meter [HI 981404N]: |
$199.95 |
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Replacement pH Electrode [HI 1286]: |
$44.95 |
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Replacement TDS Probe [HI 7634]: |
$32.95 |
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1500 ppm (TDS) calibration solution - 230 ml: |
$9.95 |
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Combo Pack: pH 4.0 AND 7.0 Calibration Solution - 8 oz. each: |
$12.95 |
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pH 7.0 Calibration Solution - 8 oz.: |
$6.95 |
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pH 7.0 Calibration Solution - 32 oz.: |
$24.95 |
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Storage Solution - 230 ml.: |
$9.95 |
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Electrode Cleaning Solution - 230 ml.: |
$9.95 |
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