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! 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
Dyna-Gro Pro-TeKt 15 Gallon
dl-DGTEK-150
Dyna-Gro Pro-TeKt 15 Gallon
$314.15
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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 August
hf-LGNK-1 Little Giant NK-1 Submersible Pump
hf-LGNK-1
Little Giant NK-1 Submersible Pump

$84.22
906087 Gavita Pro 6/750e DE Flex Complete Fixture - 120/240 Volt
906087
Gavita Pro 6/750e DE Flex Complete Fixture - 120/240 Volt

$512.99
hf-HGDB20DB Dirt Pot 20 Gal Display Box, case of 24
hf-HGDB20DB
Dirt Pot 20 Gal Display Box, case of 24

$179.10
dl-654040 PLATINIUM 1 Piece aeroponic top (Aerotop) - 40 series
dl-654040
PLATINIUM 1 Piece aeroponic top (Aerotop) - 40 series

$91.44
738625 CAN FAN PREMIUM 3 PLY DUCTING 14" - 25FT
738625
CAN FAN PREMIUM 3 PLY DUCTING 14" - 25FT

$48.80
715695 Cutting Edge Plant Amp Gallon
715695
Cutting Edge Plant Amp Gallon

$64.42
hf-HOF04023 Volcano Bat 5 lb
hf-HOF04023
Volcano Bat 5 lb

$10.95
718985 SIPCO® HYGROZYME™ - 4 LITER (4/CASE)
718985
SIPCO® HYGROZYME™ - 4 LITER (4/CASE)

$109.65
902840 SOLARMAX™ GOLD 1000W MH 7200K 100,000 LUMENS
902840
SOLARMAX™ GOLD 1000W MH 7200K 100,000 LUMENS

$84.79
hf-GG9999 End Cap Display From GreenGro
hf-GG9999
End Cap Display From GreenGro

$1,769.00
hf-GUST05 Super Tea, 5 gal
hf-GUST05
Super Tea, 5 gal

$134.20
726850 GH RapidStart 125ml (24/Cs)
726850
GH RapidStart 125ml (24/Cs)

$17.89
723010 HUMBOLDT MICRO 1G 4/CS
723010
HUMBOLDT MICRO 1G 4/CS

$25.33
eco-2882B Botanicare CNS17 Hydro Grow (3-2-4) - Gallon
eco-2882B
Botanicare CNS17 Hydro Grow (3-2-4) - Gallon

$19.52
730070 Sunfilm Black & White Panda Film 10ft x 25ft Roll
730070
Sunfilm Black & White Panda Film 10ft x 25ft Roll

$18.79
530217 Ushio UHI - S250AQ / 14 / CWA - Mogul (12/CS)
530217
Ushio UHI - S250AQ / 14 / CWA - Mogul (12/CS)

$70.58
724034 Traditional Square Pots - Blow Molded 4"
724034
Traditional Square Pots - Blow Molded 4"

$0.22
hf-BZSOILA5L B'Cuzz Soil Nutrition Component A, 5 lt
hf-BZSOILA5L
B'Cuzz Soil Nutrition Component A, 5 lt

$33.71
904183 14IN X 25FT DUCTING
904183
14IN X 25FT DUCTING

$21.96
hf-FLT5BU3K10 Philips T5 Warm
hf-FLT5BU3K10
Philips T5 Warm

$108.05
hf-GF2LB Greencure Fungicide 2.5 lbs
hf-GF2LB
Greencure Fungicide 2.5 lbs

$52.30
dl-998458 Telescopic Flood Tray Brush
dl-998458
Telescopic Flood Tray Brush

$15.80
hf-HNHH415 Honey Hydro Carbs 2.5 gal.
hf-HNHH415
Honey Hydro Carbs 2.5 gal.

$61.26
720975 AI ROOTS ORGANICS SUPER NITROGEN BAT GUANO 15.5-1-1 - 40 LB (1/CASE)
720975
AI ROOTS ORGANICS SUPER NITROGEN BAT GUANO 15.5-1-1 - 40 LB (1/CASE)

$170.80
dl-HNB410 Bloom - 1 Gal. - Humboldt Nutrients
dl-HNB410
Bloom - 1 Gal. - Humboldt Nutrients

$18.20
hf-HG8RDBK 8" Bucket Basket Lid, case of 25
hf-HG8RDBK
8" Bucket Basket Lid, case of 25

$44.38
hf-GH1665 Flora Nectar Pineapple Rush 6 Gal
hf-GH1665
Flora Nectar Pineapple Rush 6 Gal

$156.19
hf-ACF95 95 CFM Active Air Blower System
hf-ACF95
95 CFM Active Air Blower System

$63.51
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Reviews more
3/4" Grommet Each
The picture shows a TopHat grommet. This is NOT the Product. ..
3 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

MS1000/BU 1000 WATT MH BT-56 (6/CASE)
MS1000/BU 1000 WATT MH BT-56 (6/CASE)
$35.99
$32.45
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
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 pH METER
RAPITEST SOIL pH METER
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)
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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