Aquaculture Source   Lowest prices guaranteed: We beat and match prices!

Shop 14,400+ Horticultural, Organic & Hydroponics items!

  Contact Us Download vCard    Follow us on Twitter Our Facebook Profile
 
  Search: Quick Find  
Help [?] Phrase Advanced Search
 
Bookmark and Share
 
Secure   My Account   Cart Contents   Checkout  
  Horticulture Source » Discount Specialty Farm, Greenhouse, Garden & Hydroponics Supply Store » Aquaculture / Aquarium / Reef Tank / Marine » Thrive » THRIVE 3 MAGNESIUM REFILL 20.3 OZ (12/CS) [737040]   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.
Categories
* Lamps / Tubes / Bulbs ++ (545)
* Lighting Systems ++ (1150)
* Nutrients & Supplements (3927)
* Composters & Compost Tea Brewing (37)
* Organic Gardening (462)
* Leaf Shines & Washes (104)
* Pest & Disease Control (520)
* Cloning & Propagation (370)
* Grow Systems ++ (639)
* Meters, Timers & Instruments ++ (693)
* Pots / Containers (886)
* Pumps, Irrigation & Watering Supplies ++ (1424)
* Grow Media (538)
* Plant Seeds (10)
* Environmental Control ++ (1922)
* Greenhouses (82)
* Grow Rooms / Tents (124)
* Reflective / B&W Films (120)
* Garden Accessories ++ (740)
* Hand Tools ++ (511)
* Gardening Books & DVDs (57)
* Growing Apparel (3)
! Aquaculture / Aquarium / Reef Tank / Marine ++ (2)
 » Additives
 » Controllers
 » Filter Media
 » Foods
 » Medications & Treatments
 » Salt
 » Skimmers, Reactors & Components
 » Substrates
 » ! Thrive
Manufacturers more
What's New? more
Ideal H2O Chloramine Carbon Filter 10 in
738333
Ideal H2O Chloramine Carbon Filter 10 in
$23.80
Quick Find
Quick Find
Use keywords to find the product you are looking for.
Advanced Search

Information
Who else is online?
There are 14 guests online.
Ads
Product not found!
Continue
New Products For September
dl-HD425 HydroDeuce - 15 Gal. - Humboldt Nutrients
dl-HD425
HydroDeuce - 15 Gal. - Humboldt Nutrients

$531.49
dl-550006 Titanium Scissors
dl-550006
Titanium Scissors

$5.49
hf-HDMOTHERAGAL MotherPlant A Gal
hf-HDMOTHERAGAL
MotherPlant A Gal

$36.13
dl-301001 GRO1 Weather Station (Non-wireless)
dl-301001
GRO1 Weather Station (Non-wireless)

$9.09
729016 REEF STATUS CALCIUM TEST
729016
REEF STATUS CALCIUM TEST

$27.83
724775 Smart Pot 900 Gallon (Special Order)
724775
Smart Pot 900 Gallon (Special Order)

$105.36
736620 ECOPLUS®  BLOWER - 180 CFM
736620
ECOPLUS® BLOWER - 180 CFM

$70.15
700578 Samsung Max & Vivace Replacement Programmable Thermostat
700578
Samsung Max & Vivace Replacement Programmable Thermostat

$249.84
hf-BCNBHG55 Hydroguard, 55 gal
hf-BCNBHG55
Hydroguard, 55 gal

$1,808.80
hf-GGT48 4' x 8' Gorilla Grow Tent
hf-GGT48
4' x 8' Gorilla Grow Tent

$636.29
706126 FAST FIT LIGHT HANGING BAR 2FT
706126
FAST FIT LIGHT HANGING BAR 2FT

$13.09
hf-CAREFQTM6 Quantum Massive 6" Reflector
hf-CAREFQTM6
Quantum Massive 6" Reflector

$114.24
dl-HNH410 Hum-Bolt - 1 Gal. - Humboldt Nutrients
dl-HNH410
Hum-Bolt - 1 Gal. - Humboldt Nutrients

$35.69
hf-CAPTC2 Photocontroller, 120vac, ON during "Night", 10 amp @ 120vac
hf-CAPTC2
Photocontroller, 120vac, ON during "Night", 10 amp @ 120vac

$38.32
708850 EVEREST NATION RAIN CLEANER QUART 12/CS
708850
EVEREST NATION RAIN CLEANER QUART 12/CS

$14.95
707115 BOTANICARE® - 10 GAL RESERVOIR LID - 14.25" X 23.75" X .75"
707115
BOTANICARE® - 10 GAL RESERVOIR LID - 14.25" X 23.75" X .75"

$26.18
741450 Link-Ups Medium Grow Through Grid Pant Support (12/Cs)
741450
Link-Ups Medium Grow Through Grid Pant Support (12/Cs)

$5.75
hf-DYBLM032 Dyna-Gro Bloom, 1 qt
hf-DYBLM032
Dyna-Gro Bloom, 1 qt

$14.28
hf-HIBL981411-1 pH Controller 115V
hf-HIBL981411-1
pH Controller 115V

$139.91
hf-HNH404 Hum-bolt humic 16 oz.
hf-HNH404
Hum-bolt humic 16 oz.

$7.49
hf-CAOZN1 CAP Ozone Generator, 5500 cubic feet, 1 lamp
hf-CAOZN1
CAP Ozone Generator, 5500 cubic feet, 1 lamp

$94.93
hf-FLT54KT T5 4' Reflector Kit
hf-FLT54KT
T5 4' Reflector Kit

$14.24
780103 Grozone Control CY1 Cyclestat with Day/Night Sensor
780103
Grozone Control CY1 Cyclestat with Day/Night Sensor

$62.51
728416 ECOPLUS AIR STONE DISC 4"
728416
ECOPLUS AIR STONE DISC 4"

$6.37
hf-BCOP5 Pure Grow 5 lb.
hf-BCOP5
Pure Grow 5 lb.

$9.52
eco-4671 1000W Phantom Digital Ballast, 240v ONLY
eco-4671
1000W Phantom Digital Ballast, 240v ONLY

$213.50
701205 PHRESH CARBONAIRE DUCT SILENCER'S   6" X 18"
701205
PHRESH CARBONAIRE DUCT SILENCER'S 6" X 18"

$73.78
720660 TECHNAFLORA® AWESOME BLOSSOMS™ 2-11-11 - 1 LTR (12/CASE
720660
TECHNAFLORA® AWESOME BLOSSOMS™ 2-11-11 - 1 LTR (12/CASE

$28.70
Shopping Cart more
0 items - Add an item to the cart to get a quote!
 Estimate Shipping Costs by adding a product 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


PriceGrabber User Ratings for Horticulture Source
Tell A Friend
 
Share what you've found! Email a link to this page to friends, family, and colleagues!
Specials more
INVENTORY BLOWOUT SALE
MANY ITEMS FAR BELOW COST - while quantities last

BOTANICARE® PUREBLEND™ ORIGINAL BLOOM 0.5-0.5-1 - GALLON (4/CASE)
BOTANICARE® PUREBLEND™ ORIGINAL BLOOM 0.5-0.5-1 - GALLON (4/CASE)
$16.66
$17.00
Languages
English Deutsch Español
Currencies
Ads
Ads

Customer Service

 

Shopping Help

 

My Account

 

Tools & Resources

BizRate Customer Certified (GOLD) Site - HorticultureSource.com -Specialty Gardening Supply Reviews at Bizrate PriceGrabber User Ratings for Horticulture Source ShopWiki Certified Store
Official PayPal Seal
Merchant Services
HorticultureSource.com is an Upfront Merchant on TheFind. Click for info. Secured by RapidSSL
Secured by RapidSSL
100% Satisfaction Guaranteed  Proud Hydro for Hunger Participant
 Proud Participant
APO/FPO addresses are no problem.
International orders are always welcome!
UPSFedExUSPS OnTrac CalOver EstesR+LSouthEasternSAIA
Copyright © 2005 — 2014 Usisu, Inc.: Conditions of Use VISAMasterCardAmerican ExpressDiscoverDiners ClubJBCPayPal Money Order