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» Saltwater Aquarium Supplies » Testing Equipment

» 27 items found
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Price: $55-$110
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Search Suggestions: Refractometer | pH monitor | ph | ph meter | pinpoint | temperature controller | ph probe | orp probe | orp probe orp | ORP
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Digital Aquatics ReefKeeper Lite Controller

Digital Aquatics ReefKeeper Lite Controller

ReefKeeper Lite Level 1 ReefKeeper Lite Preliminary Product Information Expandable - up to 4 modules (PC4s, SL1s or MLC) pH, ORP, and switch inputs (w/ optional SL1) 16 timers / 16 alarms Audible / Visual alarms ...

Avg. Customer Review (17) reviews

Monitors & Controllers: See all items

Related Searches: reefkeeper | reefkeeper lite | reef keeper lite | lite
Price Range:
$99.99 to $278.99
Neptune Systems pH Probe

Neptune Systems pH Probe

Precision of +/- .01 10` coax cable Sealed Ag/AgCI reference. Standard BNC connector

Avg. Customer Review (4) reviews

Replacement Probes: See all items

Related Searches: ph probe | probe | neptune | ph
Price Range:
$44.99 to $68.99
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

Monitors & Controllers: See all items

Related Searches: ph monitor | pinpoint | ph | ph pinpoint
Our Price: $92.99
Item Code: AM1111
Captive Purity Refractometer

Captive Purity Refractometer

The Captive Purity Refractometer is an incredibly accurate and easy to use device that eliminates the confusion associated with inexpensive hydrometers. Just place a couple of drops of water on the prism and hold to the light. Rea...

Avg. Customer Review (36) reviews

Hydrometers & Refractometers: See all items

Related Searches: refractometer | hydrometer | refractometers | refract
Price Range:
$69.99 to $119.99
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

Monitors & Controllers: See all items

Related Searches: ph monitor | pinpoint | ph | pinpoint ph
Our Price: $104.99
Item Code: AMPHMK
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

Monitors & Controllers: See all items

Related Searches: orp probe orp | orp | hanna | orp meter
Our Price: $99.99
Item Code: HN1111
Digital Aquatics RKM-PC4

Digital Aquatics RKM-PC4

IntellaStrip Technology Our new PC4 is the most advanced power distribution unit in the industry with the ability to keep your system up and running even if you have a device failure. Manual Override Mode Gives you ...

Avg. Customer Review (1) reviews

Monitors & Controllers: See all items

Related Searches: pc4 | rkm pc4 | test | rkm
Our Price: $89.99
Item Code: DA1315
Neptune Systems ORP Probe

Neptune Systems ORP Probe

10` coax cable Platinum band electrode. Standard BNC connector

Avg. Customer Review (1) reviews

Replacement Probes: See all items

Related Searches: orp probe | orp | orp probe orp | ns
Price Range:
$54.99 to $78.99
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

Replacement Probes: See all items

Related Searches: orp probe | orp | orp probe orp | probe
Our Price: $78.99
Item Code: AM1419
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

Monitors & Controllers: See all items

Related Searches: ph meter | ph | hanna | marine ph buffer
Price Range:
$82.99 to $93.99
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

Monitors & Controllers: See all items

Related Searches: ph meter | ph | flow meter | ph pen
Our Price: $64.99
Item Code: CP2131
Won Brothers D-58 LED Digital Display Temperature Controller

Won Brothers D-58 LED Digital Display Temperature Controller

Pro-Heat D-58 LED Digital Display Temperature Controller Features: Max safe output: 800 watt 2-Seperate digital display (water temperature / set temperature) Dual scale display (°F or °C) Precision (±1.8°F / ±1°C...

Avg. Customer Review (2) reviews

Temperature Controllers: See all items

Related Searches: pro hot d 58 | lead | temperature control | test
Our Price: $69.99
Item Code: WB1411
Neptune Systems Temperature Probe - used for AquaController Pro Only

Neptune Systems Temperature Probe - used for AquaController Pro Only

Precision of +/- 0.1F 6` cable. High quality probe w/ 6` cable Encapsulated thermistor 2.5mm Phono Jack Connector

Avg. Customer Review (1) reviews

Replacement Probes: See all items

Related Searches: ns | aquacontroller | neptune | probe
Our Price: $59.99
Item Code: NS5153
JBJ TrueTemp Digital Heater Controller

JBJ TrueTemp Digital Heater Controller

JBJ TrueTemp Digital Heater Controller JBJ`s TrueTemp digital heater controller is the most accurate & precise controller available. Plus/Minus 0.5F Accuracy 0-99.9F Temperature Range HIGH & LOW Temperature ...

Avg. Customer Review (4) reviews

Monitors & Controllers: See all items

Related Searches: heater controller | heater | jbj heater | jbj
Our Price: $99.99
Item Code: JB1511
AquaNotes 3.5 for Neptune AquaController

AquaNotes 3.5 for Neptune AquaController

AquaNotes is the most advanced aquarium management software available. This software together with an AquaController make an unbeatable combination for aquarium management. AquaNotes Version 3.5 is now shipping! Features of AquaN...

Avg. Customer Review (2) reviews

Monitors & Controllers: See all items

Related Searches: aquanote | aquanotes | aquacontroller | neptune
Our Price: $79.99
Item Code: NS7117
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