Horticulture Source » Gardening & Hydroponics Store » Meters, Timers & Instruments » pH, EC, PPM & TDS Testers » Hanna Instruments: HANNA GROCHEK® WATERPROOF pH/EC/TDS TEMP METER W/pH ELECTRODE DIAGNOSTIC - HI9813-6 [716815]   Mobile   Secure |  My Account | Cart Contents | Checkout )
Horticulture Source
Quick Find
Help [?]   Search Descriptions Phrase   Advanced
Secure   My Account   Cart Contents   Checkout  
You have JavaScript disabled or are using a browser which does not support it. Please turn on JavaScript or consider upgrading or switching your web browser, e.g. FireFox or Opera.
Celebrating our 11th Year of Service to Gardeners! Thank you for your business!
Manufacturer Info
Hanna Instruments
Hanna Instruments Homepage
Other products
Reviews more
Write ReviewWrite a review on this product!
BizRate Customer Certified (GOLD) Site - HorticultureSource.com -Specialty Gardening Supply Reviews at Bizrate

Shop By Price
Categories
* Lamps / Tubes / Bulbs ++ (535)
* Lighting Systems ++ (1200)
* Nutrients & Supplements (4269)
* Composters & Compost Tea Brewing (42)
* Organic Gardening (527)
* Leaf Shines & Washes (94)
* Pest & Disease Control (603)
* Cloning & Propagation (441)
* Grow Systems ++ (717)
! Meters, Timers & Instruments ++ (637)
 » Calibration, Storage & Cleaning Solutions, pH Up & Down (202)
 » Instruments, Thermometers, Hygrometers & Light Meters (24)
 » ! pH, EC, PPM & TDS Testers (289)
 » Timers & Lighting Controllers (122)
* Pots / Containers (1038)
* Pumps, Irrigation & Watering Supplies ++ (1739)
* Grow Media (554)
* Plant Seeds (62)
* Environmental Control ++ (2033)
* Greenhouses (84)
* Grow Rooms / Tents (166)
* Reflective / B&W Films (143)
* Garden Accessories ++ (1086)
* Hand Tools ++ (450)
* Gardening Books & DVDs (56)
* Growing Apparel & Bags (119)
Manufacturers more
Ads
Most Viewed in pH, EC, PPM & TDS Meters, Monitors, Testers, Pens & Test Kits for Water & Soil
CW 24-7 NUTRIENT MONITOR PPM/pH/TEMPERATURE
CW 24-7 NUTRIENT MONITOR PPM/pH/TEMPERATURE
RAPITEST 4 WAY ANALYZER FERTILIZER/LIGHT/MOISTURE/pH MODEL 1880
RAPITEST 4 WAY ANALYZER FERTILIZER/LIGHT/MOISTURE/pH MODEL 1880
PH600-AQ PH METER 10/CS
PH600-AQ PH METER 10/CS
BLUELAB COMBINATION METER MEASURES pH, NUTRIENTS AND TEMPERATURE
BLUELAB COMBINATION METER MEASURES pH, NUTRIENTS AND TEMPERATURE
MI MW802 (was SM802) SMART pH/EC/TDS COMBINATION METER (1/CASE)
MI MW802 (was SM802) SMART pH/EC/TDS COMBINATION METER (1/CASE)
Control Wizard Accurate pH 8
Control Wizard Accurate pH 8
pH CONTROL KIT (12/CASE)
pH CONTROL KIT (12/CASE)
RAPITEST SOIL TEST pH NPK
RAPITEST SOIL TEST pH NPK
BLUELAB GUARDIAN MONITOR
BLUELAB GUARDIAN MONITOR
CW SOIL, pH AND MOISTURE MONITOR
CW SOIL, pH AND MOISTURE MONITOR
RAPITEST SOIL pH METER
RAPITEST SOIL pH METER
24-7 Nutrient Monitor.
24-7 Nutrient Monitor.
ORIGINAL TRUNCHEON METER MEASURE EC AND PPM
ORIGINAL TRUNCHEON METER MEASURE EC AND PPM
REPLACEMENT PROBE FOR BLUELAB COMBINATION METER & pH MONITORS
REPLACEMENT PROBE FOR BLUELAB COMBINATION METER & pH MONITORS
Grocheck Combo Meter.
Grocheck Combo Meter.
pHydrion Litmus Paper. (ph Test Strip)
pHydrion Litmus Paper. (ph Test Strip)
BLUELAB® SOIL pH METER
BLUELAB® SOIL pH METER
pH TEST KIT 1OZ (24/CASE)
pH TEST KIT 1OZ (24/CASE)
pHep®4 pH Tester (HI98127).
pHep®4 pH Tester (HI98127).
MI MW100 (was SM100) PORTABLE PH METER (1/CASE)
MI MW100 (was SM100) PORTABLE PH METER (1/CASE)
Languages
English Deutsch Español
Product not found!
Continue
New Products For October
713026 Grodan PRO A-OK Starter Plugs 1.5 in Unwrapped (30/Cs)
713026
Grodan PRO A-OK Starter Plugs 1.5 in Unwrapped (30/Cs)

$195.66
RE110 Brackets for Vertical Reflectors.
RE110
Brackets for Vertical Reflectors.

$11.09
hf-HL38QCHOSE Quick Disconnect 3/8" X Garden Hose Adapter
hf-HL38QCHOSE
Quick Disconnect 3/8" X Garden Hose Adapter

$4.33
hf-GH1623 FloraNova Grow gal
hf-GH1623
FloraNova Grow gal

$53.39
hf-WG1120 World Wide Garden Supply     GrowLab 120 - 3'11"x3'11"x6'7"
hf-WG1120
World Wide Garden Supply GrowLab 120 - 3'11"x3'11"x6'7"

$163.63
hf-HDMOTHERBQT MotherPlant B Qt
hf-HDMOTHERBQT
MotherPlant B Qt

$13.31
715660 Cutting Edge Micro Quart
715660
Cutting Edge Micro Quart

$8.49
hf-ACT120 Aluminum Duct Tape - 120 yds, 1 mil
hf-ACT120
Aluminum Duct Tape - 120 yds, 1 mil

$13.15
hf-RONB20 Nitrogen Bat Guano 20 Lb 9-3-1
hf-RONB20
Nitrogen Bat Guano 20 Lb 9-3-1

$33.28
906017 Gavita HortiStar HR 96 600 SE Reflector Replacement
906017
Gavita HortiStar HR 96 600 SE Reflector Replacement

$27.73
708514 Rainmaker Watering Wand w/ Thumb Slide Flow Control 18 in
708514
Rainmaker Watering Wand w/ Thumb Slide Flow Control 18 in

$9.42
hf-FFLEX073 FloraFlex Short Rocket 60 deg 2 GPH, Pack of 6
hf-FFLEX073
FloraFlex Short Rocket 60 deg 2 GPH, Pack of 6

$5.00
706304 Sun Hut Blackout 630 - 9.8 ft x 9.8 ft x 6.6 ft
706304
Sun Hut Blackout 630 - 9.8 ft x 9.8 ft x 6.6 ft

$487.00
dl-LTCD002 LTC Cool Diamond II LED Grow Light
dl-LTCD002
LTC Cool Diamond II LED Grow Light

$1,737.22
703613 THP-100 ATMOSPHERIC CONTROLLER
703613
THP-100 ATMOSPHERIC CONTROLLER

$163.30
eco-5050A ActiveAqua 40 GPH (30/case)
eco-5050A
ActiveAqua 40 GPH (30/case)

$4.84
hf-ATPRO75 PRO filter 75 Reversible Carbon Filter
hf-ATPRO75
PRO filter 75 Reversible Carbon Filter

$187.67
hf-FX14067 Bushdoctor Sledgehammer, 1 gal
hf-FX14067
Bushdoctor Sledgehammer, 1 gal

$46.56
dl-ETDFBS-1ga Deep Fusion Bloom Soil 1gal
dl-ETDFBS-1ga
Deep Fusion Bloom Soil 1gal

$22.10
640689 AC/DE 8 in Replacement Glass Frame Assembly
640689
AC/DE 8 in Replacement Glass Frame Assembly

$66.51
732206  FLORALICIOUS PLUS QT. ( 12CASE
732206
FLORALICIOUS PLUS QT. ( 12CASE

$37.16
dl-811045 4.5" Round PE Grow Lids
dl-811045
4.5" Round PE Grow Lids

$2.44
hf-SX32450807 SolarMax Metal Halide 400W  Veg. Conversion
hf-SX32450807
SolarMax Metal Halide 400W Veg. Conversion

$66.56
hf-HDCRMG5LB Clonex Root Maximizer, Granular 5 lb (Special Order)
hf-HDCRMG5LB
Clonex Root Maximizer, Granular 5 lb (Special Order)

$221.87
dl-HES5142S Hesi Soil Starter Kit
dl-HES5142S
Hesi Soil Starter Kit

$73.24
hf-NETRK320 Neutralizer The Road Kit-320
hf-NETRK320
Neutralizer The Road Kit-320

$40.26
hf-KSH150P LED Grow Light 150, Purple
hf-KSH150P
LED Grow Light 150, Purple

$164.96
723026 HUMBOLDT MASTER A 1G 4/CS
723026
HUMBOLDT MASTER A 1G 4/CS

$45.00
Ads
Amazon Ad
ebay Ad

Customer Service

 

Shopping Help

 

My Account

 

Tools & Resources

BizRate Customer Certified (GOLD) Site - HorticultureSource.com -Specialty Gardening Supply Reviews at Bizrate ShopWiki Certified Store Official PayPal Seal
Merchant Services
Secured by RapidSSL 100% Satisfaction Guaranteed  Proud Hydro for Hunger Participant
Ads

UPSFedExUSPS OnTrac CalOver EstesR+LSouthEasternSAIA
Copyright © 2005 — 2017 Usisu, Inc.: Conditions of Use VISAMasterCardAmerican ExpressDiscoverDiners ClubJBCPayPal Money Order