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
New BillMeLater customers: Get $10 Off $50
Deal of the Day!
Time Left
00:00:00
Only: $119.99
Narrow Your Search
Saltwater Aquarium Supplies
Additives & Supplements
Dosing Pumps & Top-Off
Filters
Lighting
Reverse Osmosis
Testing Equipment
Freshwater Aquarium Supplies
Dosing Pumps & Top-Off
Reverse Osmosis
Testing Equipment
Pond Supplies
Water Testing
 
Shop By Brand
Aqua Medic USA
AquaticLife
Brightwell Aquatics
Captive Purity
Hanna Instruments
Tom`s Aquatics
Tunze
 
Browse by Price
$245 or less $245 and more
 

Top sellers
Pocket TDS Mini Meter HM Digital In-line Dual T... Tom Aquatics Flow Meter Tunze Osmolator Replaceme... Tunze pH-buffer pH 7/9/14... Portable pH Pen/Meter
 
 
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

Clearance

Catalog Quick Order

Gift Certificates

Marine Depot Videos

Home ยป 12 items found
Selected Filters:
 Search Term:

ph meter

  Search my results:  Sort By: Display items:
Search Suggestions: flow meter | TDS | tds meter | flow mete | ph | tds meters | tunze | ph pen | reverse flow | osmolator
Portable pH Pen/Meter

Portable pH Pen/Meter

This handy pH pen/meter is a great tool for any aquarist. It is extremely easy to use and is waterproof. Simply dip the meter in the solution to get the pH reading. Its high accuracy and resolution also make it suitable even for t...

Avg. Customer Review (5) reviews

Testing Equipment: See all items

Related Searches: ph | flow meter | ph pen | pen
Our Price: $64.99
Item Code: CP2131
AquaticLife PowerCompact CF Light Fixture w/ FREE Mini pH Meter

AquaticLife PowerCompact CF Light Fixture w/ FREE Mini pH Meter

Buy an AquaticLife CF Fixture and Receive a pH Monitor FREE! Designed in a contemporary shape, these Compact Fluorescent fixtures offer new features and light output only available from AquaticLifeโ„ข. Timer contr...

Be 1st to review

Lighting: See all items

Related Searches: mini ph meter | solana 34 | 72 inch lighting
Price Range:
$239.99 to $319.99
Hanna Instruments Waterproof pH Tester with Replaceable Electrode

Hanna Instruments Waterproof pH Tester with Replaceable Electrode

When HANNA instruments introduced its first version of the pHep (pH electronic paper) in 1986, it immediately revolutionized the standard in pH measurement. pHep`s ease-of-use in combination with its affordability made it possible...

Avg. Customer Review (5) reviews

Testing Equipment: See all items

Related Searches: ph | hanna | marine ph buffer | ph probe
Price Range:
$82.99 to $93.99
Tunze pH-buffer pH 7/9/14 7040.14

Tunze pH-buffer pH 7/9/14 7040.14

Tunze pH Calibration Kit 7040.14 pH 5, 7 and 9 buffer solutions for calibrating pH Controllers / Monitors.

Be 1st to review

Testing Equipment: See all items

Related Searches: marine ph buffer | ph | tunze | hanna ph
Our Price: $16.03
Item Code: TZ7331
AquaticLife pH Controller/ pH Monitor

AquaticLife pH Controller/ pH Monitor

AquaticLife Controller pH/pH Monitor A pH controller and pH monitor incorporated into a single housing. The dual display shows both pH levels measured by the probes. The pH controller display is shown in blue and the pH moniter...

Be 1st to review

Testing Equipment: See all items

Related Searches: ph | ph controller | ph monitor | ph controler
Our Price: $239.99
Item Code: AK01002
Brightwell Aquatics pH+ Liquid pH-Increaser for all Marine Aquaria 500ml / 17oz

Brightwell Aquatics pH+ Liquid pH-Increaser for all Marine Aquaria 500ml / 17oz

Overview Increases pH in marine and reef aquaria. May be used to help increase pH in aquaria that have adequate alkalinity yet have chronically-depressed pH levels; while not intended to act as a permanent solution to such i...

Avg. Customer Review (1) reviews

Additives & Supplements: See all items

Related Searches: ph | ph monitors | pinpoint ph monitor | hanna ph
Our Price: $7.79
Item Code: BW01042
Tunze Osmolator Replacement Metering Pump 5000.02

Tunze Osmolator Replacement Metering Pump 5000.02

Replacement Metering pump for Osmolator or Osmomat Metering pump capacity: 2.95ft: 13.74gph, 4.92ft: 12.42gph, 6.56ft: 7.13gph Max. Height: 7.22ft This pump runs on 9 volts DC

Avg. Customer Review (6) reviews

Dosing Pumps & Top-Off: See all items

Related Searches: flow meter | osmolator | tunze | liter meter
Our Price: $22.32
Item Code: TZ4115
Pocket TDS Mini Meter

Pocket TDS Mini Meter

Fashionable, handy and simple design. TDS detection range: 0-1999PPM; Reading above limit shows "Err". Four-digit LCD display screen is easy for reading. Power on 3V CR2032 lithium battery. Slide open design battery c...

Avg. Customer Review (7) reviews

Reverse Osmosis: See all items

Related Searches: tds | tds meter | flow meter | tds meters
Our Price: $29.99
Item Code: RO1351
Tunze Conductivity Meter Max 200 ms 7032m

Tunze Conductivity Meter Max 200 ms 7032m

TUNZE CONDUCTIVITY METER 7032/2 The Tunze Condictivity Meter will accurately monitor the salinity of the water (translated from conductivity). It can be used for freshwater, brackish water or saltwater. The unit&nb...

Be 1st to review

Testing Equipment: See all items

Related Searches: flow meter | tunze | conductivity | tds meter
Our Price: $311.72
Item Code: TZ7171
HM Digital In-line Dual TDS Meter

HM Digital In-line Dual TDS Meter

The Dual TDS meter offers an easy and convenient way of monitoring the performance of your RO or RO/DI unit. It allows you to quickly check the quality of the inlet and outlet water and helps you to determine when the cartridges n...

Avg. Customer Review (18) reviews

Reverse Osmosis: See all items

Related Searches: tds | tds meter | flow meter | tds meters
Our Price: $39.99 $33.99
Item Code: RO1312
Aqua Medic T Meter - Submersible Digital Thermometer

Aqua Medic T Meter - Submersible Digital Thermometer

Aqua Medic T Meter - Submersible Digital Thermometer Digital Readout Fully Submersible Suction Cup Mount Safe For Freshwater or Salt

Be 1st to review

Testing Equipment: See all items

Related Searches: thermometer | flow meter | hanna meter | tds meter
Our Price: $9.99
Item Code: AQ3211
Tom Aquatics Flow Meter

Tom Aquatics Flow Meter

It is important to know the flow rate when using an UV Sterilizer, Wet Dry Filter and/or Canister Filter. A reduction of water flow is an indicator for the need for filter maintenance. Flow meter must be used in an upright positio...

Avg. Customer Review (5) reviews

Filters: See all items

Related Searches: flow meter | flow mete | reverse flow | flow meters
Price Range:
$12.99 to $29.99
Shopping Cart
Cart:
Subtotal:
Shipping:
Total:
0 items
$0.00
$0.00 $0.00
Cart:
Subtotal:
Shipping:
Total:
View Cart
Checkout
Bill Me Later We proudly accept all of these forms of payment
Free Shipping! On orders over $175.00 BBB OnLine Reliability Program BizRate Circle of Excellence - Platinum Winner
Email Specials
Subscribe to our newsletter feed.
Newsletter Tips & Tricks! New Products!
Discounts & Promos!
Subscribe
Testimonials
October 30, 2009
"Fast shipping, great prices and selection."
Bizrate Online Shopper

October 29, 2009
"Great experience. See you next time!"
Bizrate Online Shopper

October 28, 2009
"I would recommend Marine Depot to anyone looking for reasonable pricing."
Bizrate Online Shopper

Marine Depot Reef Squad
Coral Fragging Tools - Cutters, Frag Plugs, Epoxy and More!