Your source for pH, TDS, PPM controllers.
Testing and Controlling - pH, TDS, PPM
Home : Grow Room : pH, TDS, PPM Testers and Controls :
Hanna Instruments Grochek pH Monitor
Model HI 981401N: Continuous reading pH meter with a remote laboratory grade probe to help keep your indoor garden balanced.
The Grochek pH Meter comes with 2 meters and 6 foot cable, which hangs conveniently on the wall.
UL-listed 12VDC transformer - watertight enclosure.
Built-in alarm light blinks when value deviates from desired range!
Read Instruction Manual (PDF format - Lots of detail.)
$119.95
Replacement pH Electrode with 2 m (6.6') cable [HI 1286]
$44.95
Combo Pack: pH 4.0 AND pH 7.0 Calibration Solutions - 8 oz. each
$12.95
pH 7.0 Calibration Solution - 8 oz.
$6.95
pH 7.0 Calibration Solution - 32 oz.
$24.95
Storage Solution - 230 ml.
$9.95
Electrode Cleaning Solution - 230 ml.
Call or email us for quantity discounts!
FREE SHIPPING on orders totaling $250 or more when delivered within lower continental USA!!!
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Growco Indoor Garden Supply 1042 Michigan NE · Grand Rapids, Michigan USA 49503-1908 phone: (616) 454-6900 · toll free: 877-939-6900 email