Horticulture Source » Gardening & Hydroponics Store » Meters, Timers & Instruments » pH, EC, PPM & TDS Testers » Analog pH & TDS Meter. [NT200]   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 ++ (543)
* Lighting Systems ++ (1155)
* Nutrients & Supplements (4189)
* Composters & Compost Tea Brewing (43)
* Organic Gardening (539)
* Leaf Shines & Washes (97)
* Pest & Disease Control (569)
* Cloning & Propagation (451)
* Grow Systems ++ (586)
! Meters, Timers & Instruments ++ (668)
 » Calibration, Storage & Cleaning Solutions, pH Up & Down (208)
 » Instruments, Thermometers, Hygrometers & Light Meters (24)
 » ! pH, EC, PPM & TDS Testers (316)
 » Timers & Lighting Controllers (120)
* Pots / Containers (1013)
* Pumps, Irrigation & Watering Supplies ++ (1638)
* Grow Media (532)
* Plant Seeds (60)
* Environmental Control ++ (1943)
* Greenhouses (89)
* Grow Rooms / Tents (166)
* Reflective / B&W Films (141)
* Garden Accessories ++ (977)
* Hand Tools ++ (534)
* Gardening Books & DVDs (58)
* Growing Apparel & Bags (54)
Manufacturers more
What's New? more
HD Hudson Leader Multi-Purpose Sprayer, 2 gal
hf-HD60182
HD Hudson Leader Multi-Purpose Sprayer, 2 gal
$26.62
Quick Find
Quick Find
Use keywords to find the product you are looking for.
Advanced Search

Information
Who else is online?
There are 56 guests online.
Ads
Product not found!
Continue
New Products For February
736357 ECOPLUS® FLANGE KITS 6"
736357
ECOPLUS® FLANGE KITS 6"

$5.84
LPG5000 ZEN-TEK INSTRUMENTS 0-5000 PSI LIquid Pressure Gauge
0-5000 PSI LIquid Pressure Gauge
LPG5000
ZEN-TEK INSTRUMENTS 0-5000 PSI LIquid Pressure Gauge 0-5000 PSI LIquid Pressure Gauge

$10.34
hf-HX80220 PowerVEG T5 2' Multi-Color Pack (case of 24)
hf-HX80220
PowerVEG T5 2' Multi-Color Pack (case of 24)

$399.46
728745 Grower's Edge Dry Rack w/ 2in Zipper Opening (12/Cs)
728745
Grower's Edge Dry Rack w/ 2in Zipper Opening (12/Cs)

$23.30
hf-GTFFGF1L Final Flush Grapefruit 1 L
hf-GTFFGF1L
Final Flush Grapefruit 1 L

$11.83
726005 CLONEX® GEL 100ML (12/CASE)
726005
CLONEX® GEL 100ML (12/CASE)

$17.99
hf-HDIONBO5GAL Ionic Boost, 5 gal
hf-HDIONBO5GAL
Ionic Boost, 5 gal

$116.80
H:POP86BG Popular 8x6 Green base
H:POP86BG
Popular 8x6 Green base

$223.48
hf-HNB404 Bloom 16 oz.
hf-HNB404
Bloom 16 oz.

$4.81
hf-BKGEBEST3 The Best of Growing Edge Volume 3
hf-BKGEBEST3
The Best of Growing Edge Volume 3

$28.00
dl-EQ404 Equilibrium - 16 oz. - Humboldt Nutrients
dl-EQ404
Equilibrium - 16 oz. - Humboldt Nutrients

$7.78
hf-THFEW ThermoFlo Elbow 4"-16" w/ Strap
hf-THFEW
ThermoFlo Elbow 4"-16" w/ Strap

$5.84
dl-SNS244-14.5 oz SNS 244 Fungicide 14.5 oz
dl-SNS244-14.5 oz
SNS 244 Fungicide 14.5 oz

$11.36
hf-OK0065404 Buffer 7.00 pH 500 ml
hf-OK0065404
Buffer 7.00 pH 500 ml

$14.64
dl-171002 2" Neoprene Inserts (Packs of 132)
dl-171002
2" Neoprene Inserts (Packs of 132)

$29.50
902915 USHIO HILUX GRO AMH 400/OPTI-BLUE 12/CS
902915
USHIO HILUX GRO AMH 400/OPTI-BLUE 12/CS

$72.42
720447 Earth Juice Hi-Brix Molasses Quart (12/Cs)
720447
Earth Juice Hi-Brix Molasses Quart (12/Cs)

$5.84
eco-2393 Active Aqua .25" x .25" Check Valve
eco-2393
Active Aqua .25" x .25" Check Valve

$5.76
800290 5" FORGED STAINLESS  ORANGE/FUJI PICKER W/STRAP LONG HNDL - H32
800290
5" FORGED STAINLESS ORANGE/FUJI PICKER W/STRAP LONG HNDL - H32

$253.25
hf-LR3.5ID9KIT 9 RPM Light Rail Complete Kit
hf-LR3.5ID9KIT
9 RPM Light Rail Complete Kit

$179.86
HY452 Super Bloom Dry 0-51-34. 10 lb
HY452
Super Bloom Dry 0-51-34. 10 lb

$53.24
hf-HGR630CT Hole Punch and Plugs
hf-HGR630CT
Hole Punch and Plugs

$2.60
hf-BUSD400 400W Sodium Bulb
hf-BUSD400
400W Sodium Bulb

$12.26
eco-4321 Pre-filter for 25" x 5"
eco-4321
Pre-filter for 25" x 5"

$3.59
eco-2824 FloraMicro - 6 Gallon
eco-2824
FloraMicro - 6 Gallon

$102.68
710116 ProGrip SunGrip Heavy Duty Equipment Hangers - 1/4"
710116
ProGrip SunGrip Heavy Duty Equipment Hangers - 1/4"

$10.45
hf-BAL400H 400W Harvest Sun Switchable Ballast
hf-BAL400H
400W Harvest Sun Switchable Ballast

$114.46
732980 GROTEK® BLOSSOM BLASTER™ 0-39-25 - 20GRAM (10/CASE)
732980
GROTEK® BLOSSOM BLASTER™ 0-39-25 - 20GRAM (10/CASE)

$123.52
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
Natural Animal Repellent - Ready to Use Spray, 128 oz. Gallon Rosemary Scent
Natural Animal Repellent - Ready to Use Spray, 128 oz. Gallon Rosemary Scent
$39.99
$35.99
Similar Products
pH Checker 1.
HY1861
pH Checker 1.
$40.27

Milwaukee SE600 Replacement Probe for MW802
716617
Milwaukee SE600 Replacement Probe for MW802
$79.25

Grochek Replacement Probe for HI9813-5N & HI9811-5N
hf-HI12855
Grochek Replacement Probe for HI9813-5N & HI9811-5N
$103.01

Accurate pH 8.
CW525
Accurate pH 8.
$54.36

Milwaukee TDS - PPM Monitor
hf-MIMC410
Milwaukee TDS - PPM Monitor
$86.89

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