Horticulture Source » Gardening & Hydroponics 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 National Small Business Week! This week celebrates small businesses like ours and the support surrounding them.
Categories
* Lamps / Tubes / Bulbs ++ (508)
* Lighting Systems ++ (1087)
* Nutrients & Supplements (4309)
* Composters & Compost Tea Brewing (45)
* Organic Gardening (540)
* Leaf Shines & Washes (125)
* Pest & Disease Control (538)
* Cloning & Propagation (424)
* Grow Systems ++ (598)
! Meters, Timers & Instruments ++ (701)
 » Calibration, Storage & Cleaning Solutions, pH Up & Down (213)
 » Instruments, Thermometers, Hygrometers & Light Meters (24)
 » ! pH, EC, PPM & TDS Testers (342)
 » Timers & Lighting Controllers (122)
* Pots / Containers (998)
* Pumps, Irrigation & Watering Supplies ++ (1541)
* Grow Media (558)
* Plant Seeds (18)
* Environmental Control ++ (1928)
* Greenhouses (90)
* Grow Rooms / Tents (165)
* Reflective / B&W Films (130)
* Garden Accessories ++ (875)
* Hand Tools ++ (520)
* Gardening Books & DVDs (59)
* Growing Apparel (11)
Manufacturers more
What's New? more
Integra Boost 62% Humidity Pack 67gr (12 pack - Retail)
dl-D62-67-OWC
Integra Boost 62% Humidity Pack 67gr (12 pack - Retail)
$30.00
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 May
708465 1IN (25.4mm) STRAIGHT CONNECTOR (BAG of 10)
708465
1IN (25.4mm) STRAIGHT CONNECTOR (BAG of 10)

$6.73
dl-ETCB-32oz Crystal Burst 32oz
dl-ETCB-32oz
Crystal Burst 32oz

$15.24
hf-HGS14P Green Premium Saucer 14", pack of 10
hf-HGS14P
Green Premium Saucer 14", pack of 10

$16.05
hf-RW157512 Expert 15/75 Slab, 36x6x3, case of 12
hf-RW157512
Expert 15/75 Slab, 36x6x3, case of 12

$63.08
FE273 Super Tea. 2 lb
FE273
Super Tea. 2 lb

$26.16
hf-DM2107 Gold Grow B 5L
hf-DM2107
Gold Grow B 5L

$24.46
hf-RT4201 Mykos Drops Granular Mycorrhizae
hf-RT4201
Mykos Drops Granular Mycorrhizae

$16.16
728581 Aqua Heat Titanium Reservoir & Aquarium Heater - 200watt
728581
Aqua Heat Titanium Reservoir & Aquarium Heater - 200watt

$21.66
hf-RORP100 100 Gal Root Pot 38 x 20"
hf-RORP100
100 Gal Root Pot 38 x 20"

$16.26
380134 Ideal-Air Butterfly Hose Clamp 2/Pack 8 in (Case of 25)
380134
Ideal-Air Butterfly Hose Clamp 2/Pack 8 in (Case of 25)

$98.44
708220 BLACK TUBING ID 3/16" - OD 1/4"
708220
BLACK TUBING ID 3/16" - OD 1/4"

$11.34
dl-129708 Air Cooled Reflector-8 in.
dl-129708
Air Cooled Reflector-8 in.

$83.99
724942 Gro Pro Black Saucer 18in (35/Cs)
724942
Gro Pro Black Saucer 18in (35/Cs)

$3.84
dl-SJWEBIT150W Secret Jardn Webit Trellis net (webIT150w)
dl-SJWEBIT150W
Secret Jardn Webit Trellis net (webIT150w)

$12.00
hf-PPB1004 powerPAR LED Bulb - Far Red 15W/E27
hf-PPB1004
powerPAR LED Bulb - Far Red 15W/E27

$54.21
eco-1102040 CAN 2600 CAN-FILTER Pre-Filter
eco-1102040
CAN 2600 CAN-FILTER Pre-Filter

$5.94
hf-HNMMA420 MycoMadness 20 lb.
hf-HNMMA420
MycoMadness 20 lb.

$912.69
hf-CK64072 Heavy Duty 72 Cell Pack Square Insert (100/cs)
hf-CK64072
Heavy Duty 72 Cell Pack Square Insert (100/cs)

$1.70
hf-ML21346 Vegetable & Fruit Yield Enhancer 32oz
hf-ML21346
Vegetable & Fruit Yield Enhancer 32oz

$16.37
hf-GH1763 Flora Nectar Coconut Gal
hf-GH1763
Flora Nectar Coconut Gal

$36.54
hf-MLT5022 MaxLume T5 54W 4' HO Tube -Bloom 2800K, case of 20
hf-MLT5022
MaxLume T5 54W 4' HO Tube -Bloom 2800K, case of 20

$115.23
904430 THE EQUALIZER™ HOT SPOT DIFFUSER HPS 1000W
904430
THE EQUALIZER™ HOT SPOT DIFFUSER HPS 1000W

$21.60
eco-2180 Black Lightning Gloves, Small
eco-2180
Black Lightning Gloves, Small

$12.92
hf-HI70030P 12880 S/cm Calibration Solution, 25 x 20mL, case of 25
hf-HI70030P
12880 S/cm Calibration Solution, 25 x 20mL, case of 25

$23.72
hf-HMDPH200 Waterproof pH/Temperature Meter
hf-HMDPH200
Waterproof pH/Temperature Meter

$67.77
eco-6016 Heavy Duty Pot 7 gal
eco-6016
Heavy Duty Pot 7 gal

$3.91
EL422 400w High Pressure Sodium Ballast Kit.
EL422
400w High Pressure Sodium Ballast Kit.

$99.95
hf-HOJ50105 Rainbow Mix Bloom 40lb
hf-HOJ50105
Rainbow Mix Bloom 40lb

$72.56
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
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


Tell A Friend
 
Share what you've found! Email a link to this page to friends, family, and colleagues!
Specials more
GROW BAGS 10 GALLON 0.075MM (25/BOX) AVAILABLE IN CASE QUANTITIES ONLY
GROW BAGS 10 GALLON 0.075MM (25/BOX) AVAILABLE IN CASE QUANTITIES ONLY
$11.40
$10.40
Similar Products
Bluelab ppm Pen
hf-BLU2221
Bluelab ppm Pen
$63.62

Milwaukee pH / ORP Controller MC125
716692
Milwaukee pH / ORP Controller MC125
$245.04

Soil Test Kit.
MI429
Soil Test Kit.
$18.13

GroChek pH Tester
hf-HI981408
GroChek pH Tester
$77.26

Milwaukee Waterproof PH Tester
hf-MIPH55
Milwaukee Waterproof PH Tester
$56.26

Languages
English Deutsch Español
Currencies
Ads
Amazon Ad
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
Matched Content
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