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
Pond Supplies
Probes, Monitors & Controllers
Test Kits
Thermometers
Water Testing Accessories
 
Shop By Brand
Captive Purity
Hanna Instruments
Pinpoint Monitors
Pondcare, MARS Pondcare
 
Browse by Price
$35 or less $35-$105 $105 and more
 

Top sellers
American Marine Pinpoint ... American Marine Pinpoint ... Pocket TDS Mini Meter American Marine Pinpoint ... American Marine Pinpoint ... American Marine Pinpoint ...
 
 
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 » Pond Supplies » Water Testing » 29 items found
Pond Supplies

Water Quality Testing

Need to determine if pH, nitrate or oxygen levels in your pond? We have what you need! We have probes, monitors, controllers, test kits, and thermometers! Keep your pond healthy and successful.
  Search my results:  Sort By: Display items:
Search Suggestions: pH monitor | pinpoint | Thermometer | tds | tds meter | temperature controller | hanna | ORP | ph | ph controller
|<< Previous 1 2 Next >>|
American Marine Pinpoint pH Calibration Fluid

American Marine Pinpoint pH Calibration Fluid

American Marine PINPOINT High-Precision pH Calibration Fluids pH 4.000 +/- 0.002 These come in single-use plastic envelope packets, and they are extremely accurate and field portable. Each packet contains enough fluid for a compl...

Avg. Customer Review (11) reviews

Water Testing Accessories: See all items

Related Searches: calibration fluid | ph calibration fluid | calibration | ph calibration
Our Price: $1.49
American Marine Pinpoint ORP / REDOX Calibration Fluid 400mV

American Marine Pinpoint ORP / REDOX Calibration Fluid 400mV

The American Marine ORP / REDOX Calibration Fluid 400 mV is convenient and easy to use: no mixing is required and highly accurate. Packaged in single--use plastic foil pouches similar to PinPoint pH calibration fluids. For test re...

Avg. Customer Review (4) reviews

Probes, Monitors & Controllers: See all items

Related Searches: orp | orp probe orp | calibration fluid | orp calibration
Our Price: $4.19
Item Code: AM1433
American Marine Pinpoint pH Monitor

American Marine Pinpoint pH Monitor

Protect your investment with American Marine Pinpoint Controllers & Monitors Using the most current technology and design, American Marine controllers and monitors have become the most respected line of digital instruments ...

Avg. Customer Review (18) reviews

Probes, Monitors & Controllers: See all items

Related Searches: ph monitor | pinpoint | ph | ph pinpoint
Our Price: $92.99
Item Code: AM1111
American Marine Pinpoint AC Adapter Kit

American Marine Pinpoint AC Adapter Kit

American Marine PINPOINT AC Adapter Kit™ (110vac) The AC adapter kit is optional to replace the 9-volt battery, which some monitor owners find convenient, especially for PINPOINT pH and PINPOINT ORP monitors. Note: Not comp...

Avg. Customer Review (6) reviews

Water Testing Accessories: See all items

Related Searches: pinpoint | pinpoint ph | pinpoint ph monitor | test kits
Our Price: $10.99
Item Code: AM1421
American Marine Pinpoint ORP Monitor

American Marine Pinpoint ORP Monitor

American Marine PINPOINT ORP Monitor PINPOINT ORP Monitor™ will measure the ORP (oxidation-reduction potential, or REDOX) of your system. It is popular with those who use ozone gas or potassium permanganate as an artificial ...

Avg. Customer Review (8) reviews

Probes, Monitors & Controllers: See all items

Related Searches: orp | orp monitor | orp meter | orp probe orp
Our Price: $117.99
Item Code: AM1113
American Marine Pinpoint Wireless Thermometer (includes one sensor)

American Marine Pinpoint Wireless Thermometer (includes one sensor)

American Marines Wireless Thermometer Utilizing a radio wave signal, the remote sensor(s) will measure the temperature at the waterproof probe tip and send the information to the PINPOINT Temperature Display Monitor, which will d...

Avg. Customer Review (20) reviews

Thermometers: See all items

Related Searches: thermometer | pinpoint | thermometers | pinpoint ph monitor
Our Price: $36.99
Item Code: AM1131
American Marine Pinpoint pH Monitor Package

American Marine Pinpoint pH Monitor Package

American Marine PINPOINT pH Monitor The PINPOINT pH Monitor™ is in use by thousands of customers worldwide. This affordable unit remains the only full-time pH monitor with .01 resolution. The PINPOINT pH Monitor™ requires only a ...

Avg. Customer Review (15) reviews

Probes, Monitors & Controllers: See all items

Related Searches: ph monitor | pinpoint | ph | pinpoint ph
Our Price: $104.99
Item Code: AMPHMK
American Marine Pinpoint Sensor (for Wireless Thermometer)

American Marine Pinpoint Sensor (for Wireless Thermometer)

American Marines Wireless Thermometer Sensor Utilizing a radio wave signal, the remote sensor(s) will measure the temperature at the waterproof probe tip and send the information to the PINPOINT Temperature Display Monitor, which...

Avg. Customer Review (9) reviews

Water Testing Accessories: See all items

Related Searches: thermometer | pinpoint | thermometers | wireless thermometer
Our Price: $19.99
Item Code: AM1133
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

Probes, Monitors & Controllers: See all items

Related Searches: tds | tds meter | flow meter | tds meters
Our Price: $29.99
Item Code: RO1351
Hanna Instruments Combination pH and ORP Tester

Hanna Instruments Combination pH and ORP Tester

The newest member to Hanna instruments Combo series of combination waterproof testers with advanced functions is HI 98121, designed for simultaneous pH and ORP measurements. HI 98121 also reads temperature, which is continuously ...

Avg. Customer Review (3) reviews

Probes, Monitors & Controllers: See all items

Related Searches: orp probe orp | orp | hanna | orp meter
Our Price: $99.99
Item Code: HN1111
American Marine Pinpoint Salinity Monitor

American Marine Pinpoint Salinity Monitor

American Marine PINPOINT Salinity Monitor PINPOINT Salinity Monitor™ will accurately and immediately measure the amount of salt in any marine or freshwater system. The reading is fully temperature compensated and the convers...

Avg. Customer Review (13) reviews

Probes, Monitors & Controllers: See all items

Related Searches: salinity | pinpoint | salinity monitor | salinity meter
Our Price: $122.99
Item Code: AM1115
American Marine Pinpoint pH Controller

American Marine Pinpoint pH Controller

American Marines PINPOINT pH Controller PINPOINT pH Controller™ is an inexpensive yet rugged controller, which includes the appropriate probe and calibration fluids. This device will automate another electrical device such as a c...

Avg. Customer Review (8) reviews

Probes, Monitors & Controllers: See all items

Related Searches: ph controller | pinpoint | ph | ph monitor
Our Price: $199.99
Item Code: AM1311
American Marine Pinpoint ORP Probe

American Marine Pinpoint ORP Probe

American Marine PINPOINT ORP Replacement Probe 10 foot cord Ag-Ag/Cl reference Platinum wire sensor Extended life High supression cable jacket

Avg. Customer Review (3) reviews

Probes, Monitors & Controllers: See all items

Related Searches: orp probe | orp | orp probe orp | probe
Our Price: $78.99
Item Code: AM1419
Hanna Instruments pH Calibration Solution, 20 ml Sachet (25pcs)

Hanna Instruments pH Calibration Solution, 20 ml Sachet (25pcs)

HANNA instruments` buffer solutions are prepared according to precise formulas and are standardized with a pH meter calibrated according to the NIST standards. The 20 mL sachets are single-dose whereas, for more demanding applica...

Avg. Customer Review (1) reviews

Water Testing Accessories: See all items

Related Searches: ph up | calibration fluid | ph calibration | hanna calibration
Our Price: $25.99
Hanna Instruments Phosphate LR Reagent, 100 Tests

Hanna Instruments Phosphate LR Reagent, 100 Tests

Reagents for phosphate LR, ascorbic acid method Range: 0.00 to 2.50 mg/L

Avg. Customer Review (2) reviews

Water Testing Accessories: See all items

Related Searches: magnesium test kit | hanna | calcium test | phosphate reactors
Our Price: $25.99
Item Code: HN1311
|<< Previous 1 2 Next >>|
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
Refugiums and Sumps - Take your reef to the next level