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MarineDepot.com Exclusive ReefKeeper Lite + SL1 Expansion Unit w/ FREE pH Probe

MarineDepot.com Exclusive ReefKeeper Lite + SL1 Expansion Unit w/ FREE pH Probe

A MarineDepot.com Exclusive ReefKeeper Lite package. The package includes the Basic ReefReeper Lite package as well as an SL1 and a FREE pH probe. Package contents: 1 x RKL Head Unit 1 x PC4 - Power Controller 4 1 x SL1 (...

$199.99
Neptune Systems I/O Break Out Box for Apex, Apex Lite, AquaController 3, or AquaController 3 Pro

Neptune Systems I/O Break Out Box for Apex, Apex Lite, AquaController 3, or AquaController 3 Pro

Easily add float switches, water on the floor sensors, etc. to the Apex, Apex Lite, AquaController 3, or AquaController 3 Pro. Simply plug the Breakout box`s minidin 8 cable into the AquaController I/O port, and then attach the fl...

$39.99
HM Digital Handheld TDS Meter w/ Thermometer

HM Digital Handheld TDS Meter w/ Thermometer

Handheld TDS Meter 0-9990 with ATC & Temp, in vinyl carrying case The world’s most popular TDS meter, the TDS-3 is the most reliable and longest lasting meter of its kind. It has a wide range of 0-9990 ppm has a hold button...

$24.99
Marina Floating Thermometer

Marina Floating Thermometer

Feature(s): Centigrade and Fahrenheit For fresh and salt water Accurate and easy to read Safety zone indicator for most tropical fish Protects fish from unsafe temperatures

$1.99
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 ...

$99.99
Instant Ocean SeaTest Hydrometer

Instant Ocean SeaTest Hydrometer

Instant Ocean Hydrometer`s new improved design delivers precise full-range salinity and specific gravity readings - accurate to 0.001 - every time. Easy-fill convenience keeps hands dry when filling. It has a durable, permanent ne...

$12.99
JBJ Digi-Temp Thermometer

JBJ Digi-Temp Thermometer

Digi-Temp Digital Thermometer Checking your tank’s temperature has never been easier! This stylish thermometer offers a constant digital display with +/- 1 Fahrenheit accuracy. They’re also completely wireless and submersible. P...

$10.99
Neptune Systems AquaController Apex Lite System

Neptune Systems AquaController Apex Lite System

Features: Connectivity Ethernet Interface Embedded Web Server Only controller with web browser Monitoring, Control & Configuration. Email Alarms Expandability Most expandable Controller. Up to 240 modu...

$369.99
Neptune Systems Apex Wireless Expansion Module (WXM)

Neptune Systems Apex Wireless Expansion Module (WXM)

The Wireless Expansion module allows for truely flexible control of Ecotech Marine Vortech and EcoSmart wireless pumps. The WXM features are: Wirelessly controls any of Ecotech`s wireless pumps (WWD or EcoSmart). 11 Independ...

$124.99
Aquarius Thermometer, 70 - 84 F / 21 - 29 C

Aquarius Thermometer, 70 - 84 F / 21 - 29 C

Feature(s): Digital Liquid crystal (LCD) Fahrenheit - Centigrade 70F (21C) - 84F (29C) Blister packed on card

$2.00
Hanna Instruments Checker pH Pen

Hanna Instruments Checker pH Pen

High accuracy with 0.01 pH resolution Two point fast and accurate calibration Usable with virtually any electrode that shares the same connector 3000 hours of battery life HI 1270 small diameter probe fitseasily in...

$37.99
Digital Aquatics pH Probe w/ Calibration Packets

Digital Aquatics pH Probe w/ Calibration Packets

Digital Aquatics pH Probe w/Calibration Packets Resolution 0.01 pH Cable Length 4 feet Connection Type Male BNC Included Calibration Packets 1 x 7pH calibration packet 1 x 10pH calibration packet Manufacture...

$39.99
Hagen Living Sea Floating Hydrometer with Thermometer, C & F

Hagen Living Sea Floating Hydrometer with Thermometer, C & F

Hagen Living Sea Hydrometer with Thermometer—Small 20cm (8") Accurate Easy to read Thermometer—C & F

From $7.99
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...

$10.99
Neptune Systems Temperature Probe For Apex Controller AquaController Jr, AquaController 3 and PX1000 ONLY

Neptune Systems Temperature Probe For Apex Controller AquaController Jr, AquaController 3 and PX1000 ONLY

Temperature probe for Neptune Systems: ACJr, AC3 and PX1000 Only

$29.99
Lifegard Aquatics Big Digital Temperature Alert

Lifegard Aquatics Big Digital Temperature Alert

Large face digital thermometer with alert feature. Display both aquarium water temperature and room temperature in degrees Fahrenheit. Has 4 alert features. Alarm will sound and LED flashes: high temp alert only, low temp alert on...

$32.99
pH 10.0 Buffer/Calibration Solution 500 ml

pH 10.0 Buffer/Calibration Solution 500 ml

Calibration solution for pH monitors or controllers. pH 10.0. 500mL. **Variations of this product can be found in many online stores. The version we carry is of the highest quality. Although this item is eligible for price...

$11.99
Neptune Systems Apex AquaController PM1 pH or ORP, Temperature, I/O Expansion Box

Neptune Systems Apex AquaController PM1 pH or ORP, Temperature, I/O Expansion Box

The first expansion module, the PM1, with a pH or ORP, temperature, and 6 digital inputs. 4 in 1 goodness with this module! The PM1 probe module is just what you need if you want to monitor pH or ORP in your tank. And, the...

$84.95
Aqua Logic Digital Temperature Controller

Aqua Logic Digital Temperature Controller

Aqua Logic Single Stage Digital Controller - heater OR chiller up to 1/2hp LCD Electronic Temperature Controller - This device is operable from a distance of up to 400 feet and has a superior accuracy for pinpoint temperature con...

From $135.59
Neptune Systems Apex AquaController PM2 Conductivity, Temperature, I/O Expansion Box

Neptune Systems Apex AquaController PM2 Conductivity, Temperature, I/O Expansion Box

The PM2 probe module, includes support for conductivity (salinity), temperature, and 6 digital inputs. The PM2 features are: Monitor/Control Conductivity and temperature. 6 digital inputs for float switches, water on floo...

$85.99
Neptune Systems ORP Probe

Neptune Systems ORP Probe

Feature(s): 10` coax cable Platinum band electrode. Standard BNC connector

From $64.95
Neptune Systems Apex AquaController System with Standard Grade pH Probe

Neptune Systems Apex AquaController System with Standard Grade pH Probe

Neptune Systems AquaController Apex System w/ pH Probe Introducing the AquaController Apex. The professional equipment your reef deserves is now within reach. System Includes: 1 - Apex Base Unit 1 - Apex Display 1 - Energ...

$499.95
Neptune Lab Grade Conductivity Probe

Neptune Lab Grade Conductivity Probe

Feature(s): Dual Range 0 to 999 us/cm or 0 to 99.9 ms/cm Lab quality probe w/10` cable Minidin 4 Connector

$139.98
Zoo Med MagClip® Magnetic Suction Cups

Zoo Med MagClip® Magnetic Suction Cups

Zoo Med MagClip Industrial strength MAGNETIC suction cup with interchangeable clips Never replace your suction cups again! Includes 6 assorted sizes of nylon clips to hold all types of aquarium accessories like pH probes, ORP...

$10.49
Red Sea Hydrometer with Digital Thermometer

Red Sea Hydrometer with Digital Thermometer

Unique intergrated hydrometer and thermometer. Provides accurate measurement of specific gravity (degree of salinity) in a saltwater aquarium. Patented design enables device to be permanently installed inside aquarium, allowing ti...

$12.99
26 - 50 of 148
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