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/TDS (ppm) Monitor
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.
Read Instruction Manual (PDF format - Lots of detail.)
Hanna Instruments GroChek pH/TDS (ppm) Meter [HI 981404N]
$199.95
Replacement pH Electrode [HI 1286]
$44.95
Replacement TDS Probe [HI 7634]
$32.95
1500 ppm (TDS) calibration solution - 230 ml
$9.95
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.
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!!!
Grow Room Supplies:
Air/Odor/Water Purification · Atmospheric Controls · CO2 · Composting Fans and Filters · Growing Medium · Grow Chambers · Lighting Controls Measuring Cups & Tools · Pest / Disease Control · Pots & Containers · pH, EC, TDS, PPM tester/monitor · Timers
Books / Reference Material · Cloning · For the Kitchen · Grow Room · Hydroponics HID Lighting (Grow Lights / Replacement Bulbs) · Nutrients and Fertilizers · Home Product List · Advance Search
Growco Indoor Garden Supply 1042 Michigan NE · Grand Rapids, Michigan USA 49503-1908 phone: (616) 454-6900 · toll free: 877-939-6900 email
