Horticulture Source » Gardening & Hydroponics Store » Humboldt Nutrients: Sea Mag 8 oz. [hf-HNS400]   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!
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 ++ (525)
* Lighting Systems ++ (1195)
* Nutrients & Supplements (4257)
* Composters & Compost Tea Brewing (42)
* Organic Gardening (527)
* Leaf Shines & Washes (94)
* Pest & Disease Control (595)
* Cloning & Propagation (440)
* Grow Systems ++ (712)
* Meters, Timers & Instruments ++ (632)
* Pots / Containers (1026)
* Pumps, Irrigation & Watering Supplies ++ (1726)
* Grow Media (548)
* Plant Seeds (62)
* Environmental Control ++ (2032)
* Greenhouses (84)
* Grow Rooms / Tents (166)
* Reflective / B&W Films (143)
* Garden Accessories ++ (1089)
* Hand Tools ++ (450)
* Gardening Books & DVDs (56)
* Growing Apparel & Bags (119)
Manufacturers more
Ads
Most Viewed
Gro Pro Premium Nursery Pot 1 Gallon
Gro Pro Premium Nursery Pot 1 Gallon
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
1 Gal. Thermoformed Pot
1 Gal. Thermoformed Pot
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)
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"
FoxFarm Ocean Forest Potting Soil 1.5 cu ft (62-75/Plt)
FoxFarm Ocean Forest Potting Soil 1.5 cu ft (62-75/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
Vortex Inline Fan 6 in 452 CFM
Vortex Inline Fan 6 in 452 CFM
MESH POT / BUCKET LID 8" FITS SNUGGLY ON A 5 GALLON BUCKET
MESH POT / BUCKET LID 8" FITS SNUGGLY ON A 5 GALLON BUCKET
Plastic Dura-Pot. 3.5 in
Plastic Dura-Pot. 3.5 in
SUPERTHRIVE™ 4 OZ (12/CASE)
SUPERTHRIVE™ 4 OZ (12/CASE)
EZ-CLONE SPRAYER RED (BAG OF 100)
EZ-CLONE SPRAYER RED (BAG OF 100)
OdorSok 4" x 12" 140 CFM
OdorSok 4" x 12" 140 CFM
Round Net Pot. 2 in
Round Net Pot. 2 in
Languages
English Deutsch Español
Product not found!
Continue
New Products For January
736474 Hurricane Pro High Velocity Metal Wall Mount Fan 20 in
736474
Hurricane Pro High Velocity Metal Wall Mount Fan 20 in

$70.80
hf-PRPSSOL5 Plant Success Soluble 5 lb.
hf-PRPSSOL5
Plant Success Soluble 5 lb.

$222.60
dl-069546 70 Gallon Lid
dl-069546
70 Gallon Lid

$46.20
eco-4085 600 W. Sodium Hortilux (12/Cs)
eco-4085
600 W. Sodium Hortilux (12/Cs)

$70.40
eco-2231 Hudson Bak-Pak® Sprayer, 4 Gallon
eco-2231
Hudson Bak-Pak® Sprayer, 4 Gallon

$52.77
hf-CF340440 Can 12" Max-Fan, 1709 CFM
hf-CF340440
Can 12" Max-Fan, 1709 CFM

$319.34
HY359 Thrive Alive Red. 1 Liter
HY359
Thrive Alive Red. 1 Liter

$47.81
dl-590111 Hanging Wall Pots
dl-590111
Hanging Wall Pots

$7.69
dl-755442 LighTech 4ft 4 Bulb T5 Fluorescent Light (Bloom Bulbs)
dl-755442
LighTech 4ft 4 Bulb T5 Fluorescent Light (Bloom Bulbs)

$85.75
720740 Vermi T Bio-Cartridge 10 Gallon (Case of 4)
720740
Vermi T Bio-Cartridge 10 Gallon (Case of 4)

$335.72
739710 Organic Bountea Fungal Activator 20 lb (4/Cs)  (Special Order)
739710
Organic Bountea Fungal Activator 20 lb (4/Cs) (Special Order)

$106.81
dl-971210 Gro1 Carbon Filters - Standard-10 x 30 in.
dl-971210
Gro1 Carbon Filters - Standard-10 x 30 in.

$119.41
708625 RAIN DRIP 1/2 GPH DRIPPERS BLISTER CARD
708625
RAIN DRIP 1/2 GPH DRIPPERS BLISTER CARD

$5.23
901685 PowerVEG 660 4 ft 54 watt HO T5 (24/Cs)
901685
PowerVEG 660 4 ft 54 watt HO T5 (24/Cs)

$25.07
hf-RC1 1 Gallon Smart Pot 7"x 5.5"
hf-RC1
1 Gallon Smart Pot 7"x 5.5"

$1.88

hf-BCNCNSCG55
CNS17 Coco Grow 55 gal

$568.43
720315 GREAT WHITE MYCORRHIZAE 8oz
720315
GREAT WHITE MYCORRHIZAE 8oz

$52.46
hf-JSFSYS4 4 Lamp Complete System, 4 ft
hf-JSFSYS4
4 Lamp Complete System, 4 ft

$95.37
hf-BLB4AERO Blauberg Axial Inline Fan 4" Wall/Ceiling
hf-BLB4AERO
Blauberg Axial Inline Fan 4" Wall/Ceiling

$26.68
715102 Roots Organics Super Phos Bat Guano 3 lb (3/Cs)
715102
Roots Organics Super Phos Bat Guano 3 lb (3/Cs)

$7.67
dl-651270 PLATINIUM Ebb & Flow - 120 series
dl-651270
PLATINIUM Ebb & Flow - 120 series

$296.95
733588 Orcon Cryptolaemus "Mail-Back" (Pack of 5)
733588
Orcon Cryptolaemus "Mail-Back" (Pack of 5)

$136.20
747627 Hydro Flow / Netafim 17 mm Insert Elbow (Bag of 25) (Special Order)
747627
Hydro Flow / Netafim 17 mm Insert Elbow (Bag of 25) (Special Order)

$8.18
731489 LAMP ELOS 400W MOGUL 14K 12/CS
731489
LAMP ELOS 400W MOGUL 14K 12/CS

$88.49
hf-RN71730 Remo Nutrients     Remo VeloKelp, 4 L
hf-RN71730
Remo Nutrients Remo VeloKelp, 4 L

$85.32
706292 Sun Hut Blackout 35 - 2.6 ft x 2.6 ft x 5.3 ft
706292
Sun Hut Blackout 35 - 2.6 ft x 2.6 ft x 5.3 ft

$116.63
hf-GSLIDBL Gamma Seal Lid, Black
hf-GSLIDBL
Gamma Seal Lid, Black

$7.52
700588 Ideal-Air ReFlex Line Set 1/4 in x 5/8 in x 15 ft Insulated w/ Interconnecting Wire
700588
Ideal-Air ReFlex Line Set 1/4 in x 5/8 in x 15 ft Insulated w/ Interconnecting Wire

$261.60
Ads
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