Horticulture Source » Discount Specialty Farm, Greenhouse, Garden & Hydroponics Supply Store » Meters, Timers & Instruments » pH, EC, PPM & TDS Testers » Hanna Instruments: Hanna Checker Marine Calcium Reagents (25pcs) [716985]   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.
Happy Cinco De Mayo!
Categories
* Lamps / Tubes / Bulbs ++ (537)
* Lighting Systems ++ (1133)
* Nutrients & Supplements (4228)
* Composters & Compost Tea Brewing (35)
* Organic Gardening (456)
* Leaf Shines & Washes (127)
* Pest & Disease Control (518)
* Cloning & Propagation (383)
* Grow Systems ++ (648)
! Meters, Timers & Instruments ++ (708)
 » Calibration, Storage & Cleaning Solutions, pH Up & Down (219)
 » Instruments, Thermometers, Hygrometers & Light Meters (28)
 » ! pH, EC, PPM & TDS Testers (353)
 » Timers & Lighting Controllers (108)
* Pots / Containers (927)
* Pumps, Irrigation & Watering Supplies ++ (1440)
* Grow Media (557)
* Plant Seeds (10)
* Environmental Control ++ (1966)
* Greenhouses (86)
* Grow Rooms / Tents (151)
* Reflective / B&W Films (119)
* Garden Accessories ++ (814)
* Hand Tools ++ (519)
* Gardening Books & DVDs (59)
* Growing Apparel (1)
Manufacturers more
What's New? more
Sonoma Gold Bloom, 1 gal
hf-CES3322
Sonoma Gold Bloom, 1 gal
$31.94
Quick Find
Quick Find
Use keywords to find the product you are looking for.
Advanced Search

Information
Who else is online?
There are 19 guests and 
1 logged in customer online.
Ads
Product not found!
Continue
New Products For May
FA202 In-Line Duct Fan. 12 in, 1050 CFM
FA202
In-Line Duct Fan. 12 in, 1050 CFM

$237.95
eco-4230 Phat Filters 8" x 4", 150 CFM
eco-4230
Phat Filters 8" x 4", 150 CFM

$49.69
800765 32" ALUMINUM HANDLE FORGED HEAD PROFESSIONAL LOPPING SHEAR - LS
800765
32" ALUMINUM HANDLE FORGED HEAD PROFESSIONAL LOPPING SHEAR - LS

$1,025.40
725840 Gro Pro Round Fabric Pot 30 Gallon (30/Cs)
725840
Gro Pro Round Fabric Pot 30 Gallon (30/Cs)

$6.97
724771 Smart Pot 500 Gallon (Special Order)
724771
Smart Pot 500 Gallon (Special Order)

$70.21
eco-4476 Powerhouse™ 1000 W. Halide
eco-4476
Powerhouse™ 1000 W. Halide

$195.75
hf-OG3110 RAW Humic Acid, 8 oz
hf-OG3110
RAW Humic Acid, 8 oz

$20.68
SO106 ReadyGro - Aeration Formula. 1.5 cu ft
SO106
ReadyGro - Aeration Formula. 1.5 cu ft

$21.95
714805 READYGRO™ MOISTURE FORMULA 1.5 CU FT 40 lbs (60/PALLET)
714805
READYGRO™ MOISTURE FORMULA 1.5 CU FT 40 lbs (60/PALLET)

$16.47
FA187 6" Hurricane Inline Fan 435 CFM / 1 AMP
FA187
6" Hurricane Inline Fan 435 CFM / 1 AMP

$129.95
hf-VLF4 ValuLine 4" Fan 171 C.F.M. 1 amps
hf-VLF4
ValuLine 4" Fan 171 C.F.M. 1 amps

$60.48
hf-BAC400A Xtrasun 400W 120/240V HPS/MH Convertible Ballast
hf-BAC400A
Xtrasun 400W 120/240V HPS/MH Convertible Ballast

$119.75
dl-HES5025 Hesi Roots Complex 500ML
dl-HES5025
Hesi Roots Complex 500ML

$24.30
732214 GHBB® FLORABLEND™  6 GALLON
732214
GHBB® FLORABLEND™ 6 GALLON

$85.40
hf-CF358616 Can 66 w/o Flange
hf-CF358616
Can 66 w/o Flange

$137.11
747296 Hydro Flow Butterfly Hose Clamps 3/4 in 10/Pack
747296
Hydro Flow Butterfly Hose Clamps 3/4 in 10/Pack

$5.61
HY452 Super Bloom Dry 0-51-34. 10 lb
HY452
Super Bloom Dry 0-51-34. 10 lb

$55.09
hf-BZPK13145L B'Cuzz PK13/14, 5 lt
hf-BZPK13145L
B'Cuzz PK13/14, 5 lt

$59.90
dl-CUL001 Cultilene Rockwool Mini Cubes-180 ltr. Bag  (case of 15 Bags)
dl-CUL001
Cultilene Rockwool Mini Cubes-180 ltr. Bag (case of 15 Bags)

$78.75
dl-777924 Xtra-wide Replacement Blade for 24” Bowl Trimmer
dl-777924
Xtra-wide Replacement Blade for 24” Bowl Trimmer

$12.50
eco-2006 Std. 8 oz. (Case of 24)
eco-2006
Std. 8 oz. (Case of 24)

$89.70
dl-Ztc104 1 Gal. RTU Herbal Fungicide
dl-Ztc104
1 Gal. RTU Herbal Fungicide

$37.50
714233 Growstone GS-2 Mix This Soil Aerator 1.5 cu ft (35/Plt)
714233
Growstone GS-2 Mix This Soil Aerator 1.5 cu ft (35/Plt)

$20.01
hf-FX14014 American Pride Dry Fertilizer, 4 lbs.
hf-FX14014
American Pride Dry Fertilizer, 4 lbs.

$12.15
hf-BUAG48 48" Agrosun T12 40W Fluorescent Tube
hf-BUAG48
48" Agrosun T12 40W Fluorescent Tube

$12.31
716342 Bluelab pH Controller / Doser
716342
Bluelab pH Controller / Doser

$414.80
hf-HNSI16OZ Structural Integrity 16 oz
hf-HNSI16OZ
Structural Integrity 16 oz

$9.44
LWP Louver window polycarbonate
LWP
Louver window polycarbonate

$67.51
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
Manufacturer Info
Hanna Instruments
Hanna Instruments 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


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

Roots Organics Uprising Bloom 3lbs Dry Blend (3/CS)
Roots Organics Uprising Bloom 3lbs Dry Blend (3/CS)
$8.05
$7.13
Similar Products
MR32 Refractometer.
MI216
MR32 Refractometer.
$116.95

Spare Electrode
dl-970301
Spare Electrode
$24.94

Milwaukee EC hand meter SM301
hf-MISM301
Milwaukee EC hand meter SM301
$77.65

Oakton pHTestr 10 - .1 pH Accuracy  ATC*
hf-OK3563410
Oakton pHTestr 10 - .1 pH Accuracy ATC*
$97.25

Champ pH Tester
hf-HI98106
Champ pH Tester
$45.70

Languages
English Deutsch Español
Currencies
Ads
Ads
Rotating 480

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
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 — 2015 Usisu, Inc.: Conditions of Use VISAMasterCardAmerican ExpressDiscoverDiners ClubJBCPayPal Money Order