Horticulture Source » Gardening & Hydroponics Store » Humboldt Nutrients Mayan Microzyme 16 oz. [dl-HNMM400]   Mobile   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 11th Year of Service to Gardeners in 91 Countries! Thank you for your business!
Categories
* Lamps / Tubes / Bulbs ++ (538)
* Lighting Systems ++ (1169)
* Nutrients & Supplements (4228)
* Composters & Compost Tea Brewing (43)
* Organic Gardening (539)
* Leaf Shines & Washes (97)
* Pest & Disease Control (572)
* Cloning & Propagation (449)
* Grow Systems ++ (653)
* Meters, Timers & Instruments ++ (666)
* Pots / Containers (1026)
* Pumps, Irrigation & Watering Supplies ++ (1673)
* Grow Media (537)
* Plant Seeds (60)
* Environmental Control ++ (1957)
* Greenhouses (89)
* Grow Rooms / Tents (166)
* Reflective / B&W Films (141)
* Garden Accessories ++ (1007)
* Hand Tools ++ (538)
* Gardening Books & DVDs (58)
* Growing Apparel & Bags (98)
Manufacturers more
What's New? more
Anvil Professional Pruner! Zenport QZ431 Anvil Professional Pruner, 1-Inch Cut, 8.3-Inch Long
QZ431
Anvil Professional Pruner! Zenport QZ431 Anvil Professional Pruner, 1-Inch Cut, 8.3-Inch Long
$20.32
Quick Find
Quick Find
Use keywords to find the product you are looking for.
Advanced Search

Information
Who else is online?
There are 28 guests and 
3 logged in customers online.
Ads
Product not found!
Continue
New Products For March
740414 Grower's Edge High Stakes Wide Tomato Cage - 6 Ring - 56 in
740414
Grower's Edge High Stakes Wide Tomato Cage - 6 Ring - 56 in

$9.92
hf-AELW Active Eye Work Light
hf-AELW
Active Eye Work Light

$41.65
hf-OG3010 RAW Full Up, 8 oz
hf-OG3010
RAW Full Up, 8 oz

$24.89
RE4L 4 Foot Leaf (No Hole) for Parabolic Reflector.
RE4L
4 Foot Leaf (No Hole) for Parabolic Reflector.

$7.95
739720 Organic Bountea Root Web 1 lb (12/Cs) (Special Order)
739720
Organic Bountea Root Web 1 lb (12/Cs) (Special Order)

$51.38
718620 MAXICROP® FISH 5.0-1.0-1.0 - QUART (12/CASE)
718620
MAXICROP® FISH 5.0-1.0-1.0 - QUART (12/CASE)

$8.51
hf-BLUDOPKITNA Bluelab Dosetronic Peridoser Kit (Special Order)
hf-BLUDOPKITNA
Bluelab Dosetronic Peridoser Kit (Special Order)

$2,395.40
eco-5461 Lighthouse 4' x 4' Indoor Greenhouse
eco-5461
Lighthouse 4' x 4' Indoor Greenhouse

$155.15
eco-5773 Perma Duct 10" x 25'
eco-5773
Perma Duct 10" x 25'

$48.95
hf-HMDPH200 Waterproof pH/Temperature Meter
hf-HMDPH200
Waterproof pH/Temperature Meter

$69.45
200930 REPLACEMENT HPS IGNITORS - HPS 1000 - IMPORTED
200930
REPLACEMENT HPS IGNITORS - HPS 1000 - IMPORTED

$14.02
706418 Ez Clone Classic 9 Cutting System - White
706418
Ez Clone Classic 9 Cutting System - White

$93.35
eco-2373 Active Air 2-Way Meter (12/case)
eco-2373
Active Air 2-Way Meter (12/case)

$4.79
dl-971210 Gro1 Carbon Filters - Standard-10 x 30 in.
dl-971210
Gro1 Carbon Filters - Standard-10 x 30 in.

$130.59
hf-OG6000 Promis Aphid, Thrip, and Whitefly Killer
hf-OG6000
Promis Aphid, Thrip, and Whitefly Killer

$34.29
706855 GROWLAB 290 GL290 9'6" x 9'6" x 6'7"
706855
GROWLAB 290 GL290 9'6" x 9'6" x 6'7"

$513.87
723732 Down To Earth Langbeinite (Sul-Po-Mag) 0-0-22 - 5 lb
723732
Down To Earth Langbeinite (Sul-Po-Mag) 0-0-22 - 5 lb

$7.73
hf-JST54 (T5 Kit Only) 4' Jump Start - 54w/HO/6500K
hf-JST54
(T5 Kit Only) 4' Jump Start - 54w/HO/6500K

$34.99
733472 BCuzz Coco Nutrition A 1 Liter (12/Cs)
733472
BCuzz Coco Nutrition A 1 Liter (12/Cs)

$10.35
hf-GTOC500 Oxy-Cal  500g
hf-GTOC500
Oxy-Cal 500g

$17.14
eco-4753 General Hydroponics Grommet - 3/4", Bag of 10
eco-4753
General Hydroponics Grommet - 3/4", Bag of 10

$4.81
hf-HDFOS2.5 Europonic Fossil Fuel, 2.5 gal
hf-HDFOS2.5
Europonic Fossil Fuel, 2.5 gal

$80.25
hf-AARO610 10" Carbon Block Filter
hf-AARO610
10" Carbon Block Filter

$9.69
dl-860910 10 Outlet Air Divider
dl-860910
10 Outlet Air Divider

$1.80
728581 Aqua Heat Titanium Reservoir & Aquarium Heater - 200watt
728581
Aqua Heat Titanium Reservoir & Aquarium Heater - 200watt

$22.19
707345 BOTANICARE 4x4 OD TRAY BLACK
707345
BOTANICARE 4x4 OD TRAY BLACK

$70.08
dl-777863 Replacement Straight Blade for 16" Motorized Bowl Trimmer
dl-777863
Replacement Straight Blade for 16" Motorized Bowl Trimmer

$9.62
hf-BCNTFG5 Triflex Grow, 5 gal
hf-BCNTFG5
Triflex Grow, 5 gal

$86.85
Shopping Cart more
0 items - Add an item to the cart to get a quote!
 Get Quote by adding products to the cart!
Shop By Price
Reviews more
Write ReviewWrite a review on this product!
BizRate Customer Certified (GOLD) Site - HorticultureSource.com -Specialty Gardening Supply Reviews at Bizrate


Tell A Friend
 
Share what you've found! Email a link to this page to friends, family, and colleagues!
Specials more
3” Net Cups (100 per bag)
3” Net Cups (100 per bag)
$33.89
$22.00
Similar Products
Roots Organics Elemental 40lb 20% Calcium 4% Magnesium (3/Cs)
715460
Roots Organics Elemental 40lb 20% Calcium 4% Magnesium (3/Cs)
$122.64

RAW Full Up - 2 oz
dl-NPK300
RAW Full Up - 2 oz
$9.07

Hi-Brix MFP 2.5 Gal
hf-HOF08305
Hi-Brix MFP 2.5 Gal
$24.87

BioBizz Root-Juice 1 ltr
dl-BBG200285
BioBizz Root-Juice 1 ltr
$35.69

Elements Cal-n-Mag Pint
hf-HOEC35061
Elements Cal-n-Mag Pint
$5.96

Languages
English Deutsch Español
Currencies
Ads
Amazon Ad
Matched Content
Ads

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
APO/FPO addresses are no problem.
International orders are always welcome!
UPSFedExUSPS OnTrac CalOver EstesR+LSouthEasternSAIA
Copyright © 2005 — 2017 Usisu, Inc.: Conditions of Use VISAMasterCardAmerican ExpressDiscoverDiners ClubJBCPayPal Money Order