Horticulture Source » Gardening & Hydroponics Store » Humboldt Nutrients: Sea Mag 5 gal. [hf-HNS420]   Mobile   Secure |  My Account | Cart Contents | Checkout )
Horticulture Source
Quick Find
Help [?]   Search Descriptions Phrase   Advanced
Secure   My Account   Cart Contents   Checkout  
You have JavaScript disabled or are using a browser which does not support it. Please turn on JavaScript or consider upgrading or switching your web browser, e.g. FireFox or Opera.
Celebrating our 12th Year of Service to Gardeners! Thank you for your business!
Product not found!
Continue
New Products For May
eco-5734E Fan Speed Adjuster
eco-5734E
Fan Speed Adjuster

$15.38
719782 BioAg Ful-Power 55 Gallon (1/Cs) (OR Label)
719782
BioAg Ful-Power 55 Gallon (1/Cs) (OR Label)

$1,153.90
dl-550205 Piranha Pruner Bonsai Shears 40mm Titanium Blade
dl-550205
Piranha Pruner Bonsai Shears 40mm Titanium Blade

$7.48
eco-4662 Quantam 400W Digital Ballast
eco-4662
Quantam 400W Digital Ballast

$91.82
hf-HDMOTHERBQT MotherPlant B Qt
hf-HDMOTHERBQT
MotherPlant B Qt

$13.20
704230 BUG SCREEN 10" SIZE (24/CASE)
704230
BUG SCREEN 10" SIZE (24/CASE)

$9.90
hf-OX50040 oxyCLONE oxyCERTS - 1 7/8", Green, pack of 20
hf-OX50040
oxyCLONE oxyCERTS - 1 7/8", Green, pack of 20

$13.19
eco-2877-2 Sweet Carbo Berry - Gal (4/cs)
eco-2877-2
Sweet Carbo Berry - Gal (4/cs)

$35.75
dl-XNHBLFX-1GA X Nutrients Bloom FX (1 Gallon)
dl-XNHBLFX-1GA
X Nutrients Bloom FX (1 Gallon)

$17.05
dl-XNHCAMG-5GA X Nutrients CalMagX (5 Gallon)
dl-XNHCAMG-5GA
X Nutrients CalMagX (5 Gallon)

$101.75
HY250 KoolBloom 2.2 pounds
HY250
KoolBloom 2.2 pounds

$24.26
hf-FFLEX115 FloraFlex Long Rocket Piercing 2 GPH, Pack of 6
hf-FFLEX115
FloraFlex Long Rocket Piercing 2 GPH, Pack of 6

$5.84
hf-HGR390CB 1/4"Tubing Supt Clamps 15/card
hf-HGR390CB
1/4"Tubing Supt Clamps 15/card

$1.71
hf-ACMA36 Mirage Air Conditioner, 18 SEER, 36,000 BTU
hf-ACMA36
Mirage Air Conditioner, 18 SEER, 36,000 BTU

$2,348.47
901447 AgroLED iSunlight 41 Watt T5 4 ft White 5500K LED Lamp (25/Cs)
901447
AgroLED iSunlight 41 Watt T5 4 ft White 5500K LED Lamp (25/Cs)

$17.55
708913 Rainmaker Lithium Ion Battery Charging Station (12/Cs)
708913
Rainmaker Lithium Ion Battery Charging Station (12/Cs)

$26.35
hf-HGB3GAL Grow Bag 3 Gallon 8 x 7x 18", 20 packs of 25
hf-HGB3GAL
Grow Bag 3 Gallon 8 x 7x 18", 20 packs of 25

$85.79
720440 BOTANICARE® COCOGRO™ PREMIUM SOILESS ORGANIC GROW MEDIA COMPRESSED COIR FIBER BALE 5 KG = .31 CU FT OR 70 LITERS = 4.37 CU
720440
BOTANICARE® COCOGRO™ PREMIUM SOILESS ORGANIC GROW MEDIA COMPRESSED COIR FIBER BALE 5 KG = .31 CU FT OR 70 LITERS = 4.37 CU

$9.08
hf-JA30128 Ball Decorative Jar, 1 Gal (case of 4)
hf-JA30128
Ball Decorative Jar, 1 Gal (case of 4)

$57.39
630541 SS CONVERTIBLE REFLECTOR 	4IN AC ADAPTER
630541
SS CONVERTIBLE REFLECTOR 4IN AC ADAPTER

$6.05
PO170 Plastic Grow Bag. 2 gal
PO170
Plastic Grow Bag. 2 gal

$5.28
hf-PHDESK11 Phantom Commercial DE Enclosed Lighting System with USB Interface, 1000W, 208V/240V
hf-PHDESK11
Phantom Commercial DE Enclosed Lighting System with USB Interface, 1000W, 208V/240V

$376.19
736872 Speed Controller - Variable Voltage
736872
Speed Controller - Variable Voltage

$197.96
dl-750481 LuxStar8 4' T5 Fluorescent Light (Grow Bulb)
dl-750481
LuxStar8 4' T5 Fluorescent Light (Grow Bulb)

$156.15
750105 ADJUSTABLE ELBOW 6" for Ducting
750105
ADJUSTABLE ELBOW 6" for Ducting

$3.51
eco-5820A Autopilot CO2 Internet Cable & Software for Greenhouse Master Controller
eco-5820A
Autopilot CO2 Internet Cable & Software for Greenhouse Master Controller

$47.16
703006 Titan Controls Spartan Series Metal 8 Light Controller 240 Volt w/ Dual Trigger Cords - Universal Outlets (4/Cs)
703006
Titan Controls Spartan Series Metal 8 Light Controller 240 Volt w/ Dual Trigger Cords - Universal Outlets (4/Cs)

$137.45
705629 GreenGro Ultrafine Myco Blend 4oz (10/Cs)
705629
GreenGro Ultrafine Myco Blend 4oz (10/Cs)

$14.47
Ads
Manufacturer Info
Humboldt Nutrients
Humboldt Nutrients Homepage
Other products
Reviews more
Write ReviewWrite a review on this product!

Shop By Price
Categories
* Lamps / Tubes / Bulbs ++ (532)
* Lighting Systems ++ (1238)
* Nutrients & Supplements (4479)
* Composters & Compost Tea Brewing (41)
* Organic Gardening (514)
* Leaf Shines & Washes (91)
* Pest & Disease Control (604)
* Cloning & Propagation (442)
* Grow Systems ++ (721)
* Meters, Timers & Instruments ++ (656)
* Pots / Containers (1032)
* Pumps, Irrigation & Watering Supplies ++ (1739)
* Grow Media (548)
* Plant Seeds (62)
* Environmental Control ++ (2064)
* Greenhouses (83)
* Grow Rooms / Tents (167)
* Reflective / B&W Films (143)
* Garden Accessories ++ (1151)
* Hand Tools ++ (463)
* Gardening Books & DVDs (55)
* Growing Apparel & Bags (119)
Manufacturers more
Ads
Most Viewed
Gro Pro Premium Nursery Pot 1 Gallon
Gro Pro Premium Nursery Pot 1 Gallon
1 Gal. Thermoformed Pot
1 Gal. Thermoformed Pot
SUN SYSTEM® HPS 150W GROW LIGHT FIXTURE - COMPLETE WITH LAMP INCLUDED
SUN SYSTEM® HPS 150W GROW LIGHT FIXTURE - COMPLETE WITH LAMP INCLUDED
Thermoformed Nursery Pot 1 Gallon
Thermoformed Nursery Pot 1 Gallon
EcoPlus Eco 396 Submersible Pump 396 GPH (24/Cs)
EcoPlus Eco 396 Submersible Pump 396 GPH (24/Cs)
BOTANICARE® COCOGRO™ PREMIUM SOILESS ORGANIC GROW MEDIA COMPRESSED COIR FIBER BALE 5 KG = .31 CU FT OR 70 LITERS = 4.37 CU
BOTANICARE® COCOGRO™ PREMIUM SOILESS ORGANIC GROW MEDIA COMPRESSED COIR FIBER BALE 5 KG = .31 CU FT OR 70 LITERS = 4.37 CU
5 GALLON PLASTIC BUCKET 2 LBS (288 PER PALLET) EACH
5 GALLON PLASTIC BUCKET 2 LBS (288 PER PALLET) EACH
Retail Product Catalogs
Retail Product Catalogs
EcoPlus Eco 66 Submersible Pump 75 GPH (60/Cs)
EcoPlus Eco 66 Submersible Pump 75 GPH (60/Cs)
FoxFarm Ocean Forest Potting Soil 1.5 cu ft (62-75/Plt)
FoxFarm Ocean Forest Potting Soil 1.5 cu ft (62-75/Plt)
ECOGROWER®         17 GALLON RESERVOIR DRIP HYDROPONIC GROWING SYSTEM - 22.5" X 22.5" X 15.5"
ECOGROWER® 17 GALLON RESERVOIR DRIP HYDROPONIC GROWING SYSTEM - 22.5" X 22.5" X 15.5"
Hydroton Original 50 Liter (33/Plt)
Hydroton Original 50 Liter (33/Plt)
Plastic Grow Bag. 1 Gallon
Plastic Grow Bag. 1 Gallon
3 GALLON PLASTIC BUCKET 1.2 LBS (360/PER PALLET) EACH
3 GALLON PLASTIC BUCKET 1.2 LBS (360/PER PALLET) EACH
Plastic Dura-Pot. 3.5 in
Plastic Dura-Pot. 3.5 in
MESH POT / BUCKET LID 8" FITS SNUGGLY ON A 5 GALLON BUCKET
MESH POT / BUCKET LID 8" FITS SNUGGLY ON A 5 GALLON BUCKET
Vortex Inline Fan 6 in 452 CFM
Vortex Inline Fan 6 in 452 CFM
SUPERTHRIVE™ 4 OZ (12/CASE)
SUPERTHRIVE™ 4 OZ (12/CASE)
Gro Pro Premium Nursery Pot 15 Gallon
Gro Pro Premium Nursery Pot 15 Gallon
EZ-CLONE SPRAYER RED (BAG OF 100)
EZ-CLONE SPRAYER RED (BAG OF 100)
Languages
English Deutsch Español
Amazon Ad
ebay Ad

Customer Service

 

Shopping Help

 

My Account

 

Tools & Resources

BizRate Customer Certified (GOLD) Site - HorticultureSource.com -Specialty Gardening Supply Reviews at Bizrate ShopWiki Certified Store Official PayPal Seal
Merchant Services
Secured by RapidSSL 100% Satisfaction Guaranteed  Proud Hydro for Hunger Participant
Ads

UPSFedExUSPS OnTrac CalOver EstesR+LSouthEasternSAIA
Copyright © 2005 — 2018 Usisu, Inc.: Conditions of Use VISAMasterCardAmerican ExpressDiscoverDiners ClubJBCPayPal Money Order