Horticulture Source » Gardening & Hydroponics Store » Meters, Timers & Instruments   Mobile   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 in 91 Countries! Thank you for your business!
Categories
* Lamps / Tubes / Bulbs ++ (543)
* Lighting Systems ++ (1155)
* Nutrients & Supplements (4188)
* Composters & Compost Tea Brewing (43)
* Organic Gardening (539)
* Leaf Shines & Washes (97)
* Pest & Disease Control (568)
* Cloning & Propagation (451)
* Grow Systems ++ (586)
! Meters, Timers & Instruments ++ (668)
 » Calibration, Storage & Cleaning Solutions, pH Up & Down (208)
 » Instruments, Thermometers, Hygrometers & Light Meters (24)
 » pH, EC, PPM & TDS Testers (316)
 » Timers & Lighting Controllers (120)
* Pots / Containers (1012)
* Pumps, Irrigation & Watering Supplies ++ (1638)
* Grow Media (532)
* Plant Seeds (60)
* Environmental Control ++ (1944)
* Greenhouses (89)
* Grow Rooms / Tents (166)
* Reflective / B&W Films (141)
* Garden Accessories ++ (976)
* Hand Tools ++ (534)
* Gardening Books & DVDs (58)
* Growing Apparel & Bags (54)
Manufacturers more
What's New? more
High Roller Mixed Denomination Currency Counter & Counterfeit Detector (2/Cs)
700016
High Roller Mixed Denomination Currency Counter & Counterfeit Detector (2/Cs)
$759.14
Quick Find
Quick Find
Use keywords to find the product you are looking for.
Advanced Search

Information
Who else is online?
There are 57 guests and 
2 logged in customers online.
Frequent searches
Ads

What do we have here?
Meters, Timers & Instruments: pH, EC & TDS Meters & Test Kits for Water & Soil, Timers, Instruments & Calibration Solutions

What do we have here?
Calibration, Storage & Cleaning Solutions, pH Up & Down
Calibration, Storage & Cleaning Solutions, pH Up & Down
Instruments, Thermometers, Hygrometers & Light Meters
Instruments, Thermometers, Hygrometers & Light Meters
pH, EC, PPM & TDS Meters, Monitors, 
Testers, Pens & Test Kits for Water & Soil
pH, EC, PPM & TDS Meters, Monitors, Testers, Pens & Test Kits for Water & Soil
Timers & Lighting Controllers
Timers & Lighting Controllers

New Products For February
dl-750221 LuxStar2 2' T5 Fluorescent Light (Grow Bulbs)
dl-750221
LuxStar2 2' T5 Fluorescent Light (Grow Bulbs)

$60.94
eco-5759 Ona Breeze 35 cfm Fan
eco-5759
Ona Breeze 35 cfm Fan

$36.18
hf-AWCS1100 AutoPot     1-Pot Standard Module (3.9 gal Pots)
hf-AWCS1100
AutoPot 1-Pot Standard Module (3.9 gal Pots)

$28.25
hf-BCCSLSQT Clearex - Salt Leaching Solution 1 qt
hf-BCCSLSQT
Clearex - Salt Leaching Solution 1 qt

$9.32
dl-886002 Funk Fighter Travel Bag
dl-886002
Funk Fighter Travel Bag

$18.12
hf-JSLED12 Jump Start T5 12W 1' LED Strip/Reflector Fixture
hf-JSLED12
Jump Start T5 12W 1' LED Strip/Reflector Fixture

$31.15
746704 Black Ops Carbon Filter 6 in x 24 in 550 CFM
746704
Black Ops Carbon Filter 6 in x 24 in 550 CFM

$95.78
hf-GH1422 FloraGro 1 qt
hf-GH1422
FloraGro 1 qt

$8.76
726013 HydroDynamics Clonex Clone Solution 2.5 Gallon
726013
HydroDynamics Clonex Clone Solution 2.5 Gallon

$115.63
733494 BCuzz Soil Micro Kit w/ Stimulants (8/Cs)
733494
BCuzz Soil Micro Kit w/ Stimulants (8/Cs)

$24.62
dl-789002 Large Electrical Wire Tap
dl-789002
Large Electrical Wire Tap

$18.72
742115 HydroFlow Reducer Fitting 1/4" to 3/16" (case of 500)
742115
HydroFlow Reducer Fitting 1/4" to 3/16" (case of 500)

$81.76
hf-RCT10H 10 Gal Smart Pot w/Handles TAN (Special Order)
hf-RCT10H
10 Gal Smart Pot w/Handles TAN (Special Order)

$7.67
746188 South Cascade Organics SLF-100 Gallon (4/Cs)
746188
South Cascade Organics SLF-100 Gallon (4/Cs)

$96.36
707231 Flo-n-Gro Black 70 Gallon Reservoir
707231
Flo-n-Gro Black 70 Gallon Reservoir

$78.84
906025 Gavita Pro Plus 1000 Watt 400 Volt EL DE (12/Cs)
906025
Gavita Pro Plus 1000 Watt 400 Volt EL DE (12/Cs)

$99.27
hf-HSRD6 Heat Shield for RD6AC
hf-HSRD6
Heat Shield for RD6AC

$44.12
hf-HGGC100 Graduated Cylinder, 100 ml
hf-HGGC100
Graduated Cylinder, 100 ml

$5.03
eco-5371 Insert 1/4" Double Barbed Elbow
eco-5371
Insert 1/4" Double Barbed Elbow

$0.23
hf-HGMC1000 1000 ml (1 liter) Measuring Cup
hf-HGMC1000
1000 ml (1 liter) Measuring Cup

$4.17
747610 Hydro Flow / Netafim Techline EZ .4 GPH Flow - 18 in Dripper Spacing - 200 Ft Coil
747610
Hydro Flow / Netafim Techline EZ .4 GPH Flow - 18 in Dripper Spacing - 200 Ft Coil

$39.54
SA150 Dip & Grow. 2 fl oz
SA150
Dip & Grow. 2 fl oz

$10.58
hf-NTWC20 Organic Worm Casting 20 LB
hf-NTWC20
Organic Worm Casting 20 LB

$23.86
721667 Grow More Mendocino Flowering Cal Mag Gallon (4/Cs)
721667
Grow More Mendocino Flowering Cal Mag Gallon (4/Cs)

$22.73
hf-BCNSOPB12 Pure Granular Bloom 1-5-4
hf-BCNSOPB12
Pure Granular Bloom 1-5-4

$22.48
744390 Harvest Keeper All Clear Roll 11 in x 19.5 ft (48/Cs)
744390
Harvest Keeper All Clear Roll 11 in x 19.5 ft (48/Cs)

$7.00
801310 Bond Machete w/ Molded Grip 22in (12/Cs)
801310
Bond Machete w/ Molded Grip 22in (12/Cs)

$11.64
hf-HOJ01301 Earth Juice Catalyst, 1 gal
hf-HOJ01301
Earth Juice Catalyst, 1 gal

$23.54
Ads
Social Bookmark
Shopping Cart more
0 items - Add an item to the cart to get a quote!
 Get Quote by adding products to the cart!
Shop By Price
Reviews more
Precision Pruner Spring, pack of 10
My second time ordering these replacement springs and all i ..
5 of 5 Stars!
BizRate Customer Certified (GOLD) Site - HorticultureSource.com -Specialty Gardening Supply Reviews at Bizrate


Specials more
Clonex Packets, 18 packed per box
Clonex Packets, 18 packed per box
$75.69
$64.80
Most Viewed in pH, EC & TDS Meters & Test Kits for Water & Soil, Timers, Instruments & Calibration Solutions
CW 24-7 NUTRIENT MONITOR PPM/pH/TEMPERATURE
CW 24-7 NUTRIENT MONITOR PPM/pH/TEMPERATURE
Grower's Edge Large Display Thermometer / Hygrometer (20/Cs)
Grower's Edge Large Display Thermometer / Hygrometer (20/Cs)
RAPITEST 4 WAY ANALYZER FERTILIZER/LIGHT/MOISTURE/pH MODEL 1880
RAPITEST 4 WAY ANALYZER FERTILIZER/LIGHT/MOISTURE/pH MODEL 1880
TITAN CONTROLS® APOLLO 9™ TWO OUTLET 24 HOUR DIGITAL TIMER WITH 15 MINUTE INTERVALS (10/CASE)
TITAN CONTROLS® APOLLO 9™ TWO OUTLET 24 HOUR DIGITAL TIMER WITH 15 MINUTE INTERVALS (10/CASE)
BLUELAB COMBINATION METER MEASURES pH, NUTRIENTS AND TEMPERATURE
BLUELAB COMBINATION METER MEASURES pH, NUTRIENTS AND TEMPERATURE
pH CONTROL KIT (12/CASE)
pH CONTROL KIT (12/CASE)
Control Wizard Accurate pH 8
Control Wizard Accurate pH 8
MI MW802 (was SM802) SMART pH/EC/TDS COMBINATION METER (1/CASE)
MI MW802 (was SM802) SMART pH/EC/TDS COMBINATION METER (1/CASE)
RAPITEST SOIL TEST pH NPK
RAPITEST SOIL TEST pH NPK
PH600-AQ PH METER 10/CS
PH600-AQ PH METER 10/CS
CW SOIL, pH AND MOISTURE MONITOR
CW SOIL, pH AND MOISTURE MONITOR
RAPITEST SOIL pH METER
RAPITEST SOIL pH METER
INTERMATIC TN311-C HEAVY DUTY TIMER 15AMP
INTERMATIC TN311-C HEAVY DUTY TIMER 15AMP
BLUELAB GUARDIAN MONITOR
BLUELAB GUARDIAN MONITOR
TITAN CONTROLS® APOLLO 8™ TWO OUTLET 24 HOUR ANALOG TIMER WITH 15 MINUTE INTERVALS (10/CASE)
TITAN CONTROLS® APOLLO 8™ TWO OUTLET 24 HOUR ANALOG TIMER WITH 15 MINUTE INTERVALS (10/CASE)
Hanna Tri-Meter - pH/TDS/Temp. (HI981504/7)
Hanna Tri-Meter - pH/TDS/Temp. (HI981504/7)
ORIGINAL TRUNCHEON METER MEASURE EC AND PPM
ORIGINAL TRUNCHEON METER MEASURE EC AND PPM
pH DOWN QUART (12/CASE)
pH DOWN QUART (12/CASE)
REPLACEMENT PROBE FOR BLUELAB COMBINATION METER & pH MONITORS
REPLACEMENT PROBE FOR BLUELAB COMBINATION METER & pH MONITORS
24-7 Nutrient Monitor.
24-7 Nutrient Monitor.
Bestsellers
01.RAPITEST SOIL TEST pH NPK
02.Grower's Edge Large Display Thermometer / Hygrometer (20/Cs)
03.TITAN CONTROLS® APOLLO 9™ TWO OUTLET 24 HOUR DIGITAL TIMER WITH 15 MINUTE INTERVALS (10/CASE)
04.TITAN CONTROLS® APOLLO 8™ TWO OUTLET 24 HOUR ANALOG TIMER WITH 15 MINUTE INTERVALS (10/CASE)
05.CW 1382 CALIBRATION SOLUTION 4 OZ (12/CASE)
06.pH CONTROL KIT (12/CASE)
07.pH UP QUART (12/CASE)
08.Titan Controls - Spartan Series Repeat Cycle Timer
09.pH DOWN QUART (12/CASE)
10.Control Wizard Accurate pH 8
11.pH 7.0 CAL SOLUTION 8OZ (12/CASE)
12.CW 24-7 NUTRIENT MONITOR PPM/pH/TEMPERATURE
13.TITAN CONTROLS® APOLLO 10™ 24 HOUR ANALOG TIMER - 240 VOLT (10/CASE)
14.pH DOWN 1 GALLON (4/CASE)
15.RAPITEST 4 WAY ANALYZER FERTILIZER/LIGHT/MOISTURE/pH MODEL 1880
Languages
English Deutsch Español
Currencies
Feeds
RSS 2.0
Google Sitemap
ROR Sitemap
ROR Feed
Ads
Amazon Ad
Matched Content
Ads

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
APO/FPO addresses are no problem.
International orders are always welcome!
UPSFedExUSPS OnTrac CalOver EstesR+LSouthEasternSAIA
Copyright © 2005 — 2017 Usisu, Inc.: Conditions of Use VISAMasterCardAmerican ExpressDiscoverDiners ClubJBCPayPal Money Order