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  Horticulture Source » Discount Specialty Farm, Greenhouse, Garden & Hydroponics Supply Store » Environmental Control » Environmental Controllers » Harvest-Master: HARVEST-MASTER® RELAY - 120 VOLT (Special Order) [703350]   Mobile   Secure |  My Account | Cart Contents | Checkout )
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* Pest & Disease Control (510)
* Cloning & Propagation (368)
* Grow Systems ++ (639)
* Meters, Timers & Instruments ++ (694)
* Pots / Containers (880)
* Pumps, Irrigation & Watering Supplies ++ (1393)
* Grow Media (539)
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 » ! Environmental Controllers (459)
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Manufacturers more
What's New? more
Dyna-Gro Root-Gel 2oz
dl-DGRTG-002
Dyna-Gro Root-Gel 2oz
$7.63
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New Products For August
dl-777816 Replacement Straight Blade for 16" Clear Top Bowl Trimmer
dl-777816
Replacement Straight Blade for 16" Clear Top Bowl Trimmer

$12.20
eco-2839 Flora Nectar Pineapple Rush - Gallon
eco-2839
Flora Nectar Pineapple Rush - Gallon

$72.95
hf-HOEC35063 Elements Cal-n-Mag Gal
hf-HOEC35063
Elements Cal-n-Mag Gal

$21.21
K106F Zenport K106F 6.5 inch Stainless Grafting/Pruning Knife (sharp on one side)
K106F
Zenport K106F 6.5 inch Stainless Grafting/Pruning Knife (sharp on one side)

$8.39
hf-HL38QCHOSE Quick Disconnect 3/8" X Garden Hose Adapter
hf-HL38QCHOSE
Quick Disconnect 3/8" X Garden Hose Adapter

$4.64
hf-SOLGP-12-LP-C4 Gas Pro LP C02 Generator w/C02-400 bundle
hf-SOLGP-12-LP-C4
Gas Pro LP C02 Generator w/C02-400 bundle

$1,333.46
740180 Roots Organics Sap Off Soap 4oz (12/Cs)
740180
Roots Organics Sap Off Soap 4oz (12/Cs)

$6.71
hf-DM1511 Advance Grow B 5L
hf-DM1511
Advance Grow B 5L

$17.79
723465 Vital Earth's High Nitrogen Bat Guano 11-4-2 22lbs
723465
Vital Earth's High Nitrogen Bat Guano 11-4-2 22lbs

$69.70
dl-777817 Replacement Wire Cross Blade for 16" Clear Top Bowl Trimmer
dl-777817
Replacement Wire Cross Blade for 16" Clear Top Bowl Trimmer

$12.20
728938 HYDRO-LOGIC™ QC 1/4" UNION CONNECTOR FOR RO & SMALL BOY
728938
HYDRO-LOGIC™ QC 1/4" UNION CONNECTOR FOR RO & SMALL BOY

$3.36
hf-HD4CAL250 4.0 250 ML Calibration Solution
hf-HD4CAL250
4.0 250 ML Calibration Solution

$5.56
dl-HT1XT48B 4' x 8' Black XTray
dl-HT1XT48B
4' x 8' Black XTray

$133.59
dl-HCAMG-1GA X Nutrients CalMagX (1 gallon)
dl-HCAMG-1GA
X Nutrients CalMagX (1 gallon)

$26.23
717386 Super Natural Superlicious 100gm (24/Cs)
717386
Super Natural Superlicious 100gm (24/Cs)

$12.55
739600 Grotek Final Flush Reg 1 Liter (6/Cs)
739600
Grotek Final Flush Reg 1 Liter (6/Cs)

$10.17
750100 ADJUSTABLE ELBOW 4" for Ducting
750100
ADJUSTABLE ELBOW 4" for Ducting

$2.43
hf-DM3806 DM One Grow, 20 lt
hf-DM3806
DM One Grow, 20 lt

$59.88
hf-CF350480 Can Combo 150 w/ RS 12 HO Sys
hf-CF350480
Can Combo 150 w/ RS 12 HO Sys

$520.29
dl-437001 20.75" x 10" Root Radiance Heat Mat
dl-437001
20.75" x 10" Root Radiance Heat Mat

$13.24
dl-171753 5 Gallon, 3 Bag Set
dl-171753
5 Gallon, 3 Bag Set

$30.44

eco-5831
Autopilot CO2 Generator Brass Plug

$1.81
hf-EGP28 Eco 2 Gallon Pot
hf-EGP28
Eco 2 Gallon Pot

$6.43
742010 HydroFlow Barbed Straight 3/16in to 3/16in (case of 500)
742010
HydroFlow Barbed Straight 3/16in to 3/16in (case of 500)

$60.00
dl-SNS604A-Gal SNS 604A Growth Stilulator Concentrate Gal
dl-SNS604A-Gal
SNS 604A Growth Stilulator Concentrate Gal

$67.10
hf-ROPB40 Phos Bat Guano 40 Lb 0-7-0
hf-ROPB40
Phos Bat Guano 40 Lb 0-7-0

$40.46
hf-GH1374 Floralicious Grow 2.5 gal
hf-GH1374
Floralicious Grow 2.5 gal

$114.95
hf-TFPHD10L pH Down, 10 lt
hf-TFPHD10L
pH Down, 10 lt

$31.96
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Harvest-Master
Harvest-Master Homepage
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Specials more
INVENTORY BLOWOUT SALE
MANY ITEMS FAR BELOW COST - while quantities last

SMART POT 7"x 5.5" and .83 Gallons - #1 SIZE - 100/CASE (CASE DIM= 18" X 18" X 15") (CASE WEIGHT= 11LBS)
SMART POT 7"x 5.5" and .83 Gallons - #1 SIZE - 100/CASE (CASE DIM= 18" X 18" X 15") (CASE WEIGHT= 11LBS)
$2.49
$2.24
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