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! Meters, Timers & Instruments ++ (709)
 » Calibration, Storage & Cleaning Solutions, pH Up & Down (220)
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 » pH, EC, PPM & TDS Testers (353)
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Manufacturers more
What's New? more
Smart Pot Tray Liner, 3' x 3' x 12"
hf-RC33
Smart Pot Tray Liner, 3' x 3' x 12"
$19.08
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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 April
717370 Super Natural Excellofizz 50 Pack
717370
Super Natural Excellofizz 50 Pack

$126.50
hf-RFB6 Super Large Reflector 6"
hf-RFB6
Super Large Reflector 6"

$141.56
hf-CK64060 Hot House w/ Heat Mat, tray, 72 cell pack, 7" dome
hf-CK64060
Hot House w/ Heat Mat, tray, 72 cell pack, 7" dome

$31.38
706985 GHBB® WATERFARM® MODULE - 9" X 9" X 15"
706985
GHBB® WATERFARM® MODULE - 9" X 9" X 15"

$32.84
hf-VCBPGL6040 Gold Label Hydro Coco 60/40 mix
hf-VCBPGL6040
Gold Label Hydro Coco 60/40 mix

$24.25
eco-5131 Active Aqua White Flood Table, 4' x 4'
eco-5131
Active Aqua White Flood Table, 4' x 4'

$70.78
FI746 Barbed Connector. 1 in
FI746
Barbed Connector. 1 in

$1.60
eco-3963 600 W SunPulse Metal Halide 10K
eco-3963
600 W SunPulse Metal Halide 10K

$88.56
728990 ECO-SPRING RESIDENTIAL RO FILTER (Special Order)
728990
ECO-SPRING RESIDENTIAL RO FILTER (Special Order)

$379.95
TI100 Heavy Duty Timer.
TI100
Heavy Duty Timer.

$10.61
901720 VENTURE® MS1000W HOR 1000 WATT MH BT-37 (6/CASE)
901720
VENTURE® MS1000W HOR 1000 WATT MH BT-37 (6/CASE)

$52.90
726723 PURA VIDA ORGANICS BLOOM 4L 4/CS
726723
PURA VIDA ORGANICS BLOOM 4L 4/CS

$50.11
800977 DVD NO STRESS GUIDE TO HYDRO
800977
DVD NO STRESS GUIDE TO HYDRO

$17.79
dl-630001 AquaBox Complete Aquaponics Kit
dl-630001
AquaBox Complete Aquaponics Kit

$1,186.25
800125 Zenport Thinning Shear w/ Wishbone Spring H308 (10/Cs)
800125
Zenport Thinning Shear w/ Wishbone Spring H308 (10/Cs)

$7.96
746216 Nectar for the Gods Bloom Khaos Quart (12/Cs)
746216
Nectar for the Gods Bloom Khaos Quart (12/Cs)

$26.18
FE273 Super Tea. 2 lb
FE273
Super Tea. 2 lb

$25.95
dl-SNS604A-32 oz SNS 604A Growth Stimulator Concentrate 32 oz
dl-SNS604A-32 oz
SNS 604A Growth Stimulator Concentrate 32 oz

$16.25
hf-RXAX1002 Rx Green Solutions  AXIOM Growth Stimulator, 3 - 2 gm pks
hf-RXAX1002
Rx Green Solutions AXIOM Growth Stimulator, 3 - 2 gm pks

$21.41
SA230 Spray-N-Grow. 8 oz
SA230
Spray-N-Grow. 8 oz

$13.95

ZL125
Thorn/Leaf Stripper

$14.31
hf-KSH380N H380 Spectral Halo II
hf-KSH380N
H380 Spectral Halo II

$291.55
708549 Root Lowell Pro 180 Degree Sprayer w/ Adjustable Nozzle 1.5 Ltr
708549
Root Lowell Pro 180 Degree Sprayer w/ Adjustable Nozzle 1.5 Ltr

$14.46
704170 Liquid Fence Deer and Rabbit Repellent 1 Gallon RTU (4/Cs)
704170
Liquid Fence Deer and Rabbit Repellent 1 Gallon RTU (4/Cs)

$22.63
hf-AH88060 Super Charge RX
hf-AH88060
Super Charge RX

$14.05
747510 Netafim Ring Set 140 Mesh Black for 3/4 in Filter
747510
Netafim Ring Set 140 Mesh Black for 3/4 in Filter

$10.94
717150 DR EARTH HOME GROWN POTTING SOIL BAGTAINER 13 QT
717150
DR EARTH HOME GROWN POTTING SOIL BAGTAINER 13 QT

$7.04
dl-402142 14" x 12" Reducer
dl-402142
14" x 12" Reducer

$12.49
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Reviews more
Spectralux T5 54 Watt HO Lamp 4 ft Blue 6500K (25/Cs)
Price is great but the shipping costs are way too high, brin ..
2 of 5 Stars!
BizRate Customer Certified (GOLD) Site - HorticultureSource.com -Specialty Gardening Supply Reviews at Bizrate


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Specials more
INVENTORY BLOWOUT SALE
MANY ITEMS FAR BELOW COST - while quantities last

Active Aqua 3/4" Fill/Drain Fitting, pack of 10
Active Aqua 3/4" Fill/Drain Fitting, pack of 10
$13.42
$12.08
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)
pH CONTROL KIT (12/CASE)
pH CONTROL KIT (12/CASE)
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)
CW SOIL, pH AND MOISTURE MONITOR
CW SOIL, pH AND MOISTURE MONITOR
RAPITEST SOIL pH METER
RAPITEST SOIL pH METER
Control Wizard Accurate pH 8
Control Wizard Accurate pH 8
RAPITEST SOIL TEST pH NPK
RAPITEST SOIL TEST pH NPK
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
CT-1 Short Cycle Timer (10/Cs)
CT-1 Short Cycle Timer (10/Cs)
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)
PH600-AQ PH METER 10/CS
PH600-AQ PH METER 10/CS
BLUELAB GUARDIAN MONITOR
BLUELAB GUARDIAN MONITOR
Hanna Tri-Meter - pH/TDS/Temp. (HI981504/7)
Hanna Tri-Meter - pH/TDS/Temp. (HI981504/7)
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05.Hydroponic Essentials pH Test Kit
06.Master Light Controller, 30 Amp @ 120/240vac w/4-120vac plugs
07.MLC 24 Light Master Lighting Controller, X
08.Digital pH Controller
09.Checker pH Tester with Replaceable Electrode
10.MLC 16 Light Master Lighting Controller, X
11.MLC 4 Light Lighting Controller, XT, 30 Amp @ 240vac w/4-240vac plugs
12.Active Air Hygro-Thermometer
13.EC/TDS/Temp Waterproof Hydro Tester
14.MLC 8 Light Lighting Controler, X, 40 Amp @ 120/240vac w/8-120vac Plugs
15.Active Air Indoor-Outdoor Thermometer w/Hygrometer
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