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* Grow Systems ++ (638)
! Meters, Timers & Instruments ++ (695)
 » Calibration, Storage & Cleaning Solutions, pH Up & Down (214)
 » Instruments, Thermometers, Hygrometers & Light Meters (28)
 » pH, EC, PPM & TDS Testers (347)
 » Timers & Lighting Controllers (106)
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Manufacturers more
What's New? more
MovinCool 60,000 BTU/h Air-Cooled Portable A/C 460 Volt
700454
MovinCool 60,000 BTU/h Air-Cooled Portable A/C 460 Volt
$12,051.10
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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 September
hf-CES2503 Plant Amp gal
hf-CES2503
Plant Amp gal

$62.83
H:POP86Gply Popular 86 8x6 Green powder coat Greenhouse
H:POP86Gply
Popular 86 8x6 Green powder coat Greenhouse

$1,449.00
hf-STSOSQT SOS Beneficial Bacteria Qt
hf-STSOSQT
SOS Beneficial Bacteria Qt

$18.03
hf-ML21630 Root Dip-C 1 gal CA ONLY
hf-ML21630
Root Dip-C 1 gal CA ONLY

$39.23
800335 23.2" ~ 35.8" TELESCOPIC SERRATED HEDGE SHEAR - HST618   PACKED
800335
23.2" ~ 35.8" TELESCOPIC SERRATED HEDGE SHEAR - HST618 PACKED

$140.79
746280 Nectar for the Gods Pegasus Potion Quart (12/Cs)
746280
Nectar for the Gods Pegasus Potion Quart (12/Cs)

$10.06
801380 Bond TieRite Tape Gun
801380
Bond TieRite Tape Gun

$56.94
728955 BIG BOY SEDIMENT FILTER
728955
BIG BOY SEDIMENT FILTER

$42.70
FE108 Tiger Bloom. 1 Gallon
FE108
Tiger Bloom. 1 Gallon

$63.39
FA501 6" Bug Screen
FA501
6" Bug Screen

$11.66
hf-BCNSPHHGAL PH Up Gal
hf-BCNSPHHGAL
PH Up Gal

$69.75
732213 GHBB® FLORABLEND™  2.5 GALLON
732213
GHBB® FLORABLEND™ 2.5 GALLON

$44.29
742440 Hydro Flow In-Line Micro Irrigation Valve- 3/16 in (Case of 150)
742440
Hydro Flow In-Line Micro Irrigation Valve- 3/16 in (Case of 150)

$108.00
PU112 3E-12N Submersible OR In-Line Pump. 500 GPH @ 1 ft
PU112
3E-12N Submersible OR In-Line Pump. 500 GPH @ 1 ft

$170.75
728740 Grower's Edge Dry Rack w/ 3in Zipper Opening (12/Cs)
728740
Grower's Edge Dry Rack w/ 3in Zipper Opening (12/Cs)

$35.32
hf-ROBW Roots Organics Big Worm Worm Castings, 1cf
hf-ROBW
Roots Organics Big Worm Worm Castings, 1cf

$32.37
hf-DYORC008 Orchid Pro 8 oz
hf-DYORC008
Orchid Pro 8 oz

$5.55
FE524 Earth Juice Natural pH Down
FE524
Earth Juice Natural pH Down

$15.98
hf-LG50021 Round Reflector Vent Cover for Radiant
hf-LG50021
Round Reflector Vent Cover for Radiant

$2.82
dl-909006 HydroHat Dripper 6"
dl-909006
HydroHat Dripper 6"

$7.31
hf-ECFCK8B Ostberg 8" Fan,  630 CFM
hf-ECFCK8B
Ostberg 8" Fan, 630 CFM

$174.89
hf-PHR6010 Phantom 6" AC Ref Unit w/Lens
hf-PHR6010
Phantom 6" AC Ref Unit w/Lens

$101.13
715237 Royal Gold Tupur
715237
Royal Gold Tupur

$18.30
719875 HYGROCORP® NATURE'S NECTAR™ NITROGEN 5.0.0 - Organic - GALLON (4/CASE)
719875
HYGROCORP® NATURE'S NECTAR™ NITROGEN 5.0.0 - Organic - GALLON (4/CASE)

$34.89
hf-GH1221 MaxiBloom, 2.2lbs.
hf-GH1221
MaxiBloom, 2.2lbs.

$10.95
706101 Lightspeed Controller FLIP 8 Lighting Flip Box
706101
Lightspeed Controller FLIP 8 Lighting Flip Box

$348.31
eco-4071 Sylvania / Philips 1000 W Halide Universal BT37 (6/Cs)
eco-4071
Sylvania / Philips 1000 W Halide Universal BT37 (6/Cs)

$46.36
723030 HUMBOLDT MASTER A 5G 1/CS (Special Order)
723030
HUMBOLDT MASTER A 5G 1/CS (Special Order)

$163.30
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Reviews more
BOTANICARE® MICROGARDEN™ COMPLETE AEROPONICS HYDROGARDENING GROWING SYSTEM - 31" X 13.75" X 17"
Love this system this works great i still use it in my 9 sq ..
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

2" Neoprene Disk.
2" Neoprene Disk.
$0.54
$0.50
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
ORIGINAL TRUNCHEON METER MEASURE EC AND PPM
ORIGINAL TRUNCHEON METER MEASURE EC AND PPM
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 WATERPROOF PH/EC/TDS/TEMP (HI98129)
HANNA WATERPROOF PH/EC/TDS/TEMP (HI98129)
pH DOWN QUART (12/CASE)
pH DOWN QUART (12/CASE)
BLUELAB GUARDIAN MONITOR
BLUELAB GUARDIAN MONITOR
PH600-AQ PH METER 10/CS
PH600-AQ PH METER 10/CS
CW 1382 CALIBRATION SOLUTION 4 OZ (12/CASE)
CW 1382 CALIBRATION SOLUTION 4 OZ (12/CASE)
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.GH pH Down Dry 2.2lb (12/Cs)
15.HANNA WATERPROOF PH/EC/TDS/TEMP (HI98129)
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