Horticulture Source » Gardening & Hydroponics Store » Meters, Timers & Instruments » Calibration, Storage & Cleaning Solutions, pH Up & Down » General Hydroponics: pH Down (dry) 1.5 lbs [eco-2818]   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 10 Years of Service to Gardeners in 91 Countries! Thank you for your business!
Categories
* Lamps / Tubes / Bulbs ++ (530)
* Lighting Systems ++ (1132)
* Nutrients & Supplements (4328)
* Composters & Compost Tea Brewing (43)
* Organic Gardening (542)
* Leaf Shines & Washes (98)
* Pest & Disease Control (568)
* Cloning & Propagation (445)
* Grow Systems ++ (590)
! Meters, Timers & Instruments ++ (672)
 » ! Calibration, Storage & Cleaning Solutions, pH Up & Down (210)
 » Instruments, Thermometers, Hygrometers & Light Meters (24)
 » pH, EC, PPM & TDS Testers (318)
 » Timers & Lighting Controllers (120)
* Pots / Containers (1015)
* Pumps, Irrigation & Watering Supplies ++ (1631)
* Grow Media (569)
* Plant Seeds (21)
* Environmental Control ++ (1948)
* Greenhouses (89)
* Grow Rooms / Tents (167)
* Reflective / B&W Films (141)
* Garden Accessories ++ (957)
* Hand Tools ++ (525)
* Gardening Books & DVDs (59)
* Growing Apparel & Bags (45)
Manufacturers more
What's New? more
Hydro-logic Stealth RO 300 w/ Upgraded KDF Carbon Filter
741576
Hydro-logic Stealth RO 300 w/ Upgraded KDF Carbon Filter
$230.00
Quick Find
Quick Find
Use keywords to find the product you are looking for.
Advanced Search

Information
Who else is online?
There are 60 guests online.
Ads
Product not found!
Continue
New Products For December
744606 Harvest Keeper White / Clear Zip Close Bag 5 in x 8 in x 1.2 in (Pack of 100)
744606
Harvest Keeper White / Clear Zip Close Bag 5 in x 8 in x 1.2 in (Pack of 100)

$23.00
380122 Ideal-Air Quick Release Stainless Steel Hose Clamps 2/Pack 6 in
380122
Ideal-Air Quick Release Stainless Steel Hose Clamps 2/Pack 6 in

$2.70
FE689 Nirvana. 4 Liter
FE689
Nirvana. 4 Liter

$77.17
hf-ROIX6 Oregonism XL 6lbs. Endo/Ecto-Mycorrhizae
hf-ROIX6
Oregonism XL 6lbs. Endo/Ecto-Mycorrhizae

$156.98
702492 Atlas 8 / Saturn 6 15 ft Sensor Extension Cable
702492
Atlas 8 / Saturn 6 15 ft Sensor Extension Cable

$11.44
741025 UV BULB 14" (FOR UVONAIR 5000)
741025
UV BULB 14" (FOR UVONAIR 5000)

$57.39
700458 MovinCool Condensate Tank Float for OfficePro 60/63 (Special Order)
700458
MovinCool Condensate Tank Float for OfficePro 60/63 (Special Order)

$18.34
725052 Gro Pro Square Cone Pot 2 Gallon (2000/Plt)
725052
Gro Pro Square Cone Pot 2 Gallon (2000/Plt)

$2.78
hf-BCNCNSR55 CNS17 Ripe 55 gal
hf-BCNCNSR55
CNS17 Ripe 55 gal

$616.69
719930 Soluble Tri-Pack (Beastie Bloomz®, Cha Ching® and Open Sesame®)
719930
Soluble Tri-Pack (Beastie Bloomz®, Cha Ching® and Open Sesame®)

$79.76
hf-BKNUTRIENT Plant Nutrient Facts for Hydroponics, and how to make your own fully formulated plant nutrient.
hf-BKNUTRIENT
Plant Nutrient Facts for Hydroponics, and how to make your own fully formulated plant nutrient.

$17.22
eco-4773 RainForest 236
eco-4773
RainForest 236

$203.76
dl-250012 6" Support Stakes - 50 pack
dl-250012
6" Support Stakes - 50 pack

$5.83
728416 ECOPLUS AIR STONE DISC 4"
728416
ECOPLUS AIR STONE DISC 4"

$6.15
dl-HR420 Humboldt Roots - 0.5 Gal. - Humboldt Nutrients
dl-HR420
Humboldt Roots - 0.5 Gal. - Humboldt Nutrients

$224.85
FA618 6" x 16" Phresh Pre-Filter
FA618
6" x 16" Phresh Pre-Filter

$9.27
MI440 Razor Blade
MI440
Razor Blade

$0.23
hf-TR60450 Nursery Supplies     Blow Mold Nursery Pot, 45 gal
hf-TR60450
Nursery Supplies Blow Mold Nursery Pot, 45 gal

$21.70
hf-AERO606 AeroGarden 3-Pod Sprout Plus LED
hf-AERO606
AeroGarden 3-Pod Sprout Plus LED

$66.21
hf-AAKDRIP6 Active Aqua Top Drip Kit
hf-AAKDRIP6
Active Aqua Top Drip Kit

$10.32
706925 Sun Hut The Big Easy 4ft x 4ft
706925
Sun Hut The Big Easy 4ft x 4ft

$155.25
hf-FX14103 Beastie Bloomz, 6 oz
hf-FX14103
Beastie Bloomz, 6 oz

$10.32
hf-OG2240 Power Wash GRAVITY Sprayer
hf-OG2240
Power Wash GRAVITY Sprayer

$12.10
741780 KDF/CAT Pre Filter 2.5" x 20"
741780
KDF/CAT Pre Filter 2.5" x 20"

$61.07
MI017 Clone Guard - 1 pint
MI017
Clone Guard - 1 pint

$26.17
723018 HUMBOLDT BLOOM 1G 4/CS
723018
HUMBOLDT BLOOM 1G 4/CS

$19.63
hf-MIMC410 Milwaukee TDS - PPM Monitor
hf-MIMC410
Milwaukee TDS - PPM Monitor

$85.55
742070 HydroFlow Barbed Elbow 1/2" (CASE OF 250)
742070
HydroFlow Barbed Elbow 1/2" (CASE OF 250)

$80.50
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
Manufacturer Info
General Hydroponics
General Hydroponics Homepage
Other products
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
Vortex Inline Fan 6 in 452 CFM
Vortex Inline Fan 6 in 452 CFM
$149.44
$142.95
Similar Products
X Nutrients pH Down (2.5 Gallon)
dl-HPHDOWN-2.5G
X Nutrients pH Down (2.5 Gallon)
$34.37

CWP Instruments Store It! Electrode Storing Solution. 4 fl. oz.
NT770
CWP Instruments Store It! Electrode Storing Solution. 4 fl. oz.
$4.61

pH Down, 4 lt
hf-TFPHD4L
pH Down, 4 lt
$17.83

Hydroponic Essentials Calibration 7.0 8oz
hf-ESCAL87
Hydroponic Essentials Calibration 7.0 8oz
$5.50

Bluelab Probe Care pH & Conductivity
716448
Bluelab Probe Care pH & Conductivity
$16.45

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  Celebrating 10 Years of Service to Gardeners in 91 Countries! Thank you for your business!  Proud Hydro for Hunger Participant
APO/FPO addresses are no problem.
International orders are always welcome!
UPSFedExUSPS OnTrac CalOver EstesR+LSouthEasternSAIA
Copyright © 2005 — 2016 Usisu, Inc.: Conditions of Use VISAMasterCardAmerican ExpressDiscoverDiners ClubJBCPayPal Money Order