CALL US ANYTIME - 401.942.5490

Login Register Order History Wish List (0)

Your shopping cart is empty!

MENU

Home +
Sunlight Supply
Grow Tents, Systems & Trays

Grow Systems/Trays/Reservoirs

Tents/Indoor Greenhouses
Growing Environment

AC/Dehumidification/Humidification

Air Purification

Environmental Controllers

Fans/Ventilation/Ducting

View More
Growing Media & Containers

Growing Media

Pots/Containers
Lighting

Extension, Power & Lamp Cords

Fluorescent Lighting

Gavita

L.E.C. Lighting

View More
Plant Propagation, Nutrition & Health

Cloning & Seed Starting

Leaf Shines & Leaf Washes

Nutrients & Supplements

Pest & Disease Control

View More
Tools, Accessories & More

Books

Food & Water Storage

Garden Hygiene and Safety

Growing Accessories

View More
Water & Aeration

pH/EC/TDS Meters & Solutions

Pumps & Irrigation Supplies

Sprayers and Wands

Water Aeration

View More
+
HydroFarm
Air Purification

Active Air

Atmosphere

Can Filter Group

CAP

View More
Books & Videos

Books & Videos

General Hydroponics

Growing Edge
Co2

Active Air

Autopilot

CAP

Co2Boost, LLC

View More
Controllers

Autopilot

CAP

Harvest Master

Horti Control

View More
Fluorescent Lighting

Agrobrite

Agrosun

California Lightworks

EiKO

View More
Food Storage

Ball

Boveda

CVault

Integra

View More
Garden Accessories

Active Air

ARS

Atlantic Safety Products

Back to the Roots

View More
Grow Light Ballasts

Eye Hortilux

Hydrofarm

Phantom

Quantum

View More
Grow Light Bulbs

Agrosun

Digilux

EiKO

Eye Hortilux

View More
Grow Light Reflectors

Daystar

Hydro Innovations

Hydrofarm

Phantom

View More
Growing Media

Atami

Biobizz

Black Gold

Botanicare

View More
Hydro Components

Active Aqua

American Hydroponics

Beaver Plastics

Botanicare

View More
Hydro Systems

Active Aqua

AeroGrow

American Hydroponics

AutoPot

View More
LED Lighting

California Lightworks

Hydrofarm

Illuminati International

Illumitex

View More
Lighting Accessories

Active Eye

CAP

Hanna Instruments

HazardGuard

View More
Lighting Systems/Kits

Cycloptics

Eye Hortilux

Hydrofarm

Jump Start

View More
Meters & Solutions

Active Aqua

Autopilot

Bluelab

Botanicare

View More
Nutrients & Additives

American Hydroponics

Atami

Azomite

Biobizz

View More
Plant Care

Active Air

Active Aqua

Active Eye

Azatrol

View More
Pots & Containers

Active Aqua

Air-Pot

American Hydroponics

AutoPot

View More
Pumps & Irrigation

Active Air

Active Aqua

American Hydroponics

Bloom Brothers

View More
Seed Starting

Atami

Botanicare

Clone Shipper

Dip 'N Grow

View More
Tents & Tarps

CAP

Flip An Zip

Gorilla Grow Tent

GrowLab

View More
Uncategorized

Plant Success
Ventilation

Active Air

Air King

Aprilaire

Atmosphere

View More
Water Filtration

Active Aqua

Danner

Hydro-Logic

Hydrologic

View More
+
SPECIALS +
CLEARANCE ITEMS +

Home
HydroFarm
Meters & Solutions

Categories

ADVANCED NUTRIENTS
CYCO NUTRIENTS
HOUSE AND GARDE
MILLS NUTRIENTS
LIGHTING BUNDLES
NUTRIENT BUNDLES
TENT BUNDLES
FEED SCHEDULES
MEASUREMENT CONVERSIONS
HYDROPONIC CALCULATOR
PRODUCT VIDEOS

Reset Filters

Shop by Price

Categories

Active Aqua
Autopilot
Bluelab
Botanicare
General Hydroponics
GreenGro
Hanna Instruments
HM Digital Meters
Hydro Organics
Hydro Organics / Earth Juice
Hydrofarm
Hydroponic Essentials
La Crosse Technology
Luster Leaf
Microbe Life Hydroponics
Milwaukee Instruments
Nutradip (Tri Meter)
Oakton
Technaflora

Shop by Brand

Active Aqua
Autopilot
BlueLab
Botanicare
General Hydroponics
GreenGro
Hanna Instruments
HM Digital Meters
Hydro Organics
Hydro Organics / Earth Juice
Hydrofarm
Hydroponic Essentials
La Crosse Technology
Luster Leaf
Microbe Life Hydroponics
Milwaukee Instruments
Nutradip (Tri Meter)
Oakton
TechnaFlora

Meters & Solutions

Product Compare (0)

Show:

Sort By:

Water Conditioner/Purifier 1 Quart Size

Add to Wish List

Compare this Product

Water Conditioner/Purifier 1 Quart Size

..

$41.99

Add to Cart

Add to Wish List

Compare this Product

Waterproof ECTester 11 plus

Add to Wish List

Compare this Product

Waterproof ECTester 11 plus

..

$170.99

Add to Cart

Add to Wish List

Compare this Product

Waterproof EC Tester 11

Add to Wish List

Compare this Product

Waterproof EC Tester 11

..

$127.99

Add to Cart

Add to Wish List

Compare this Product

Waterproof EC/TDS/Temp Combo Meter

Add to Wish List

Compare this Product

Waterproof EC/TDS/Temp Combo Meter

..

$76.95

Add to Cart

Add to Wish List

Compare this Product

Waterproof Eco Tester pH1

Add to Wish List

Compare this Product

Waterproof Eco Tester pH1

..

$74.99

Add to Cart

Add to Wish List

Compare this Product

Waterproof PC Testr 35 (EC & pH)

Add to Wish List

Compare this Product

Waterproof PC Testr 35 (EC & pH)

..

$203.99

Add to Cart

Add to Wish List

Compare this Product

Waterproof pH/Temperature Meter

Add to Wish List

Compare this Product

Waterproof pH/Temperature Meter

..

$99.95

Add to Cart

Add to Wish List

Compare this Product

Waterproof PT Testr 35 (pH & TDS)

Add to Wish List

Compare this Product

Waterproof PT Testr 35 (pH & TDS)

..

$201.99

Add to Cart

Add to Wish List

Compare this Product

Waterproof TDS Tester 11

Add to Wish List

Compare this Product

Waterproof TDS Tester 11

Test nutrient concentration and check temperature with one "testr." All the features of the TDS/ECTe..

$123.99

Add to Cart

Add to Wish List

Compare this Product

Waterproof TDS Tester11 Plus

Add to Wish List

Compare this Product

Waterproof TDS Tester11 Plus

..

$168.99

Add to Cart

Add to Wish List

Compare this Product

WM pH TDS Cntrl. 15 VAC

Add to Wish List

Compare this Product

WM pH TDS Cntrl. 15 VAC

..

$849.99

Add to Cart

Add to Wish List

Compare this Product

|<
<
13
14
15
16
17
18
19
20
21

Showing 241 to 251 of 251 (21 Pages)

RHODE ISLAND HYDROPONICS
420 Atwood Ave
Cranston, RI 02920
Monday - Friday 10AM - 7PM
Saturday 10AM - 5PM
Sunday 10AM - 4:20PM
401.942.5490

RHODE ISLAND HYDROPONICS
85 Front St
Woonsocket, RI 02895
Monday - Friday 10AM - 7PM
Saturday 10AM - 5PM
Sunday 10AM - 4:20PM
401.356.1899

RHODE ISLAND HYDROPONICS
495 Central Ave
Seekonk, MA 02771
Monday - Friday 10AM - 7PM
Saturday 10AM - 5PM
Sunday 10AM - 4:20PM
508.915.6172

RHODE ISLAND HYDROPONICS
140 Worcester Providence Turnpike
Sutton, MA 01590
Monday - Friday 10AM - 7PM
Saturday 10AM - 5PM
Sunday 10AM - 4:20PM
508.865.4276

Information

Feed Schedules
Privacy Policy
Terms & Conditions
Contact Us
Site Map

Customer Support

Contact Us
Returns
Order History
Brands We Carry

Newsletter

Stay up to date with news and promotions by signing up for our newsletter. Send

Copyright © 2016, Rhode Island Hydroponics, All Rights Reserved. Designed by: Point One Business Solutions