Aquarium supplies for your fish tanks, reef tanks and water gardens.Home
Specials & Clearance Aquarium Products: Sign up for our newsletter for special articles, promotions and coupon codes.Specials
New Aquarium ProductsNew Items
Aquarium Fish & Reef Education CenterEducation
Aquarium Fish & Reef ForumsForums
Help and InformationHelp & Info
Pet supplies, Pet products, and Pet Accessories for your dogs, cats, birds, fish, reptiles or small pets. Pet experts are available to help you.
New Customer? Register | Sign In
Over a half million orders shipped since 1997 • Free Shipping on Orders Over $175 • Same-Day Shipping • Price Match Guarantee
Deal of the Day!
Time Left
00:00:00
Only: $89.99
Aquarium Supplies  
Additives
Air Pumps
Aquariums
Books & Cd's
Calcium Reactors
CO2 Regulator
Chillers
Controllers
Dosing Pumps/Top-Off
Filters
Filter Media
Food
Freshwater Products
Heaters
Hydrometer
Lighting
Maintenance
Medications
Miscellaneous
Overflow Boxes
Ozonizers
Plumbing Parts
Powerheads
Protein Skimmers
Pumps (External)
Reverse Osmosis
Salt Mix
Substrate
Test Kits
Thermometers
UV Sterilizers
Wavemakers
Wet/Dry Filters
Shop By Brand


Pond Supplies

Reef Tank Packages

Betta Fish Supplies

Coral Propagation

Planted Aquariums

Clearance

Catalog Quick Order

Gift Certificates

Marine Depot Videos

Aqua Medic Controller Refillable Electrodes

Reef Aquarium
Aqua Medic pH and ORP Refillable ElectrodesAqua Medic pH and Redox-potential Electrodes are quality products for accurate measurement, and have long, trouble-free operational use. Both are standard electrodes with plastic shafts.

Warranty: 1 year from date of purchase.


Electrode / Probe Holder with Suction CupElectrode/Probe Holders with suction cup are available as option.
Item #DescriptionPrice 
AQ3333Aqua Medic ORP Electrode$119.99 
AQ3337Aqua Medic Refilling Fluid PH + MV$8.39 
AL3111Aqua Logic 1/2 inch Diameter Sensor Probe Holder w/ Suction Cup (1 piece only)$2.99 
CP2133pH 4.0 Buffer/Calibration Solution 500 ml$11.99 
CP2135pH 7.0 Buffer/Calibration Solution 500 ml$12.99 
CP2137pH 10.0 Buffer/Calibration Solution 500 ml$11.99 
LQ11113M Reclosable Attachment Marine Dual Lock$10.99 
Shopping Cart
Cart:
Subtotal:
Shipping:
Total:
0 items
$0.00
$0.00 $0.00
Cart:
Subtotal:
Shipping:
Total:
View Cart
Checkout
Bill Me Later PayPal
Free Shipping! On orders over $175.00 BBB OnLine Reliability Program Marine Depot BizRate Customer Certified
Email Specials
Subscribe to our newsletter feed.
Newsletter Tips & Tricks! New Products!
Discounts & Promos!
Subscribe
Testimonials
March 06, 2010
"Marine Depot is AWESOME. I purchased my item and it was at my home in two days using normal UPS shipping!!! Thank you for your great customer service."
Michael

March 05, 2010
"Delivery time is unsurpassed. If you need it fast, there is no place faster than Marine Depot for standard shipping. They also have almost anything I could need for a reef tank."
Grey Seaslug

March 01, 2010
"They have so many great products and it’s a very easy website to navigate! From all-in-one to do-it-yourself, there is something for everyone! Awesome summaries at the top of every major heading! This company does a great job and the website is great!"
David Peron

Marine Depot Reef Squad
AquaMaxx Metal Halide Bulbs - I was blown away by the color