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! Meters, Timers & Instruments ++ (695)
 » Calibration, Storage & Cleaning Solutions, pH Up & Down (206)
 » Instruments, Thermometers, Hygrometers & Light Meters (28)
 » pH, EC, PPM & TDS Testers (354)
 » Timers & Lighting Controllers (107)
* Pots / Containers (882)
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Manufacturers more
What's New? more
Dramm One Touch Rain Wand 30 in Blue
708970
Dramm One Touch Rain Wand 30 in Blue
$21.19
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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 July
hf-HI991404 GroChek pH/EC/TDS/Temp. Combo
hf-HI991404
GroChek pH/EC/TDS/Temp. Combo

$185.21
eco-4019 Rope Rachet Light Hanger
eco-4019
Rope Rachet Light Hanger

$14.21
704521 Clone Guard Pint (12/Cs)
704521
Clone Guard Pint (12/Cs)

$24.71
dl-HNS400 Sea Mag - 8 oz. - Humboldt Nutrients
dl-HNS400
Sea Mag - 8 oz. - Humboldt Nutrients

$4.96

QV7-BLADE
Replacement Cutting Blade for Zenport QV7 & ARS V7 (ARS V7 Blade Kit)

$11.49
hf-ACR1008 Reducer 10" - 8"
hf-ACR1008
Reducer 10" - 8"

$10.46
729745 JAGER AQUARIUM HEATER - 125W - 12 5/8 IN. - 40-53 GALLONS
729745
JAGER AQUARIUM HEATER - 125W - 12 5/8 IN. - 40-53 GALLONS

$23.14
727485 Pond Boss Pump w/ UV Clafier 950 GPH (2/Cs)
727485
Pond Boss Pump w/ UV Clafier 950 GPH (2/Cs)

$164.94
MI212 Moisture/Light Meter.
MI212
Moisture/Light Meter.

$22.95
dl-999006 Gro1 LED Pocket Microscope 60x-100x
dl-999006
Gro1 LED Pocket Microscope 60x-100x

$9.99
901588 GE Starcoat  F54 HO/54W/8656 - BLUE 54 WATT 6500K 4 FT T5 FLUORESCENT (30/CASE)
901588
GE Starcoat F54 HO/54W/8656 - BLUE 54 WATT 6500K 4 FT T5 FLUORESCENT (30/CASE)

$9.69
hf-HSMGEN MiniGen Water Cool CO2 LP Gen
hf-HSMGEN
MiniGen Water Cool CO2 LP Gen

$268.75
dl-HNBUP420 Humboldt Nutrients Big Up Powder 5 lb.
dl-HNBUP420
Humboldt Nutrients Big Up Powder 5 lb.

$125.00
MI403 D Batteries. 2 per package
MI403
D Batteries. 2 per package

$2.87
dl-788603 Bake Bags Turkey Bags (3 Bags)
dl-788603
Bake Bags Turkey Bags (3 Bags)

$3.36
728510 OXYGEN SHIELD 1 AIR DIFFUSERS (10 TO 30 GALLONS)
728510
OXYGEN SHIELD 1 AIR DIFFUSERS (10 TO 30 GALLONS)

$22.50
eco-4511A Round Reflector Cover for Radiant
eco-4511A
Round Reflector Cover for Radiant

$3.95
723072 SEA MAG 2.5 GALLON 2/CS
723072
SEA MAG 2.5 GALLON 2/CS

$135.85
hf-ECFCK10C Ostberg 10" Fan, 708 CFM
hf-ECFCK10C
Ostberg 10" Fan, 708 CFM

$203.21
719406 DUTCH MASTER™ GOLD SATURATOR (Formerly PENETRATOR GOLD) 0-0-0 - 1.3 GAL  (2 x 5L/CASE)
719406
DUTCH MASTER™ GOLD SATURATOR (Formerly PENETRATOR GOLD) 0-0-0 - 1.3 GAL (2 x 5L/CASE)

$82.49
hf-THF1225INS ThermoFlo 12"x25' Insulated Ducting
hf-THF1225INS
ThermoFlo 12"x25' Insulated Ducting

$86.85
736189 "Y" DUCT CONNECTORS 6" X 4" X 4"
736189
"Y" DUCT CONNECTORS 6" X 4" X 4"

$12.49
CO235 Replacement Discharge Hose - Green.
CO235
Replacement Discharge Hose - Green.

$0.35
hf-PROP002 CAP 4" Propagation Dome 25/cs
hf-PROP002
CAP 4" Propagation Dome 25/cs

$2.88
eco-8025 Grodan Big Mama
eco-8025
Grodan Big Mama

$104.99
eco-5176 Active Aqua 100 Gal Reservoir
eco-5176
Active Aqua 100 Gal Reservoir

$130.59
960080 T-5 RETRO FIT KIT 2 FT 2 LAMPS 24 WATTS EACH LAMP
960080
T-5 RETRO FIT KIT 2 FT 2 LAMPS 24 WATTS EACH LAMP

$93.75
hf-APCEM Desktop CO2 Monitor
hf-APCEM
Desktop CO2 Monitor

$108.71
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Reviews more
ROOT TRAPPER II 30 GALLON
These are EXCELLENT products to "step up" into. The Root ..
5 of 5 Stars!
BizRate Customer Certified (GOLD) Site - HorticultureSource.com -Specialty Gardening Supply Reviews at Bizrate


PriceGrabber User Ratings for Horticulture Source
Specials more
INVENTORY BLOWOUT SALE
MANY ITEMS FAR BELOW COST - while quantities last

Round Net Pot. 2 in
Round Net Pot. 2 in
$0.18
$0.16
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)
CW SOIL, pH AND MOISTURE MONITOR
CW SOIL, pH AND MOISTURE MONITOR
RAPITEST SOIL pH METER
RAPITEST SOIL pH METER
MI MW802 (was SM802) SMART pH/EC/TDS COMBINATION METER (1/CASE)
MI MW802 (was SM802) SMART pH/EC/TDS COMBINATION METER (1/CASE)
High/Low Thermometer.
High/Low Thermometer.
RAPITEST SOIL TEST pH NPK
RAPITEST SOIL TEST pH NPK
Control Wizard Accurate pH 8
Control Wizard Accurate pH 8
INTERMATIC TN311-C HEAVY DUTY TIMER 15AMP
INTERMATIC TN311-C HEAVY DUTY TIMER 15AMP
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)
ORIGINAL TRUNCHEON METER MEASURE EC AND PPM
ORIGINAL TRUNCHEON METER MEASURE EC AND PPM
pH DOWN QUART (12/CASE)
pH DOWN QUART (12/CASE)
HANNA WATERPROOF PH/EC/TDS/TEMP (HI98129)
HANNA WATERPROOF PH/EC/TDS/TEMP (HI98129)
CW 1382 CALIBRATION SOLUTION 4 OZ (12/CASE)
CW 1382 CALIBRATION SOLUTION 4 OZ (12/CASE)
PH600-AQ PH METER 10/CS
PH600-AQ PH METER 10/CS
BLUELAB GUARDIAN MONITOR
BLUELAB GUARDIAN 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.High/Low Thermometer.
08.CT-1 Short Cycle Timer (10/Cs)
09.pH UP QUART (12/CASE)
10.pH DOWN QUART (12/CASE)
11.Control Wizard Accurate pH 8
12.pH 7.0 CAL SOLUTION 8OZ (12/CASE)
13.CW 24-7 NUTRIENT MONITOR PPM/pH/TEMPERATURE
14.HANNA WATERPROOF PH/EC/TDS/TEMP (HI98129)
15.GH pH Down Dry 2.2lb (12/Cs)
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