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76 - 100 of 143
Hydra Aquatics Glass Hang-On Thermometer

Hydra Aquatics Glass Hang-On Thermometer

Hydra Aquatics Glass Hang-on Thermometer Hydra Aquatics glass aquarium thermometers are designed to hang on to the walls of rimless glass tanks between 3 and 8mm thick. These elegantly crafted glass thermometers are reliable, e...

From $14.99
American Marine Pinpoint Digital Calibration Thermometer

American Marine Pinpoint Digital Calibration Thermometer

American Marine Inc. is proud to introduce the PINPOINT® Calibration Thermometer, the only truly accurate and affordable digital thermometer system with a large range calibration feature and a replaceable probe. The PINPOINT® Cali...

$36.99
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...

$215.49
Milwaukee Seawater Digital Refractometer with Protective Hardshell Case

Milwaukee Seawater Digital Refractometer with Protective Hardshell Case

Milwaukee Seawater Digital Refractometer with Protective Hardshell Case The new Milwaukee MA887 Seawater Digital Refractometer encompasses 3 different types of user selected scales for the measurement of seawater providing ...

$146.99
American Marine Pinpoint ORP/REDOX Calibration Fluid 400mV - 5 Pack

American Marine Pinpoint ORP/REDOX Calibration Fluid 400mV - 5 Pack

Quantity: 5-pack 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...

$14.95
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...

$40.49
HM Digital PH-80 Handheld Digital pH Meter

HM Digital PH-80 Handheld Digital pH Meter

The PH-80 is an economically priced, reliable pH meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more. Featur...

$49.99
Vertex Titano Magnetic Tube Holder

Vertex Titano Magnetic Tube Holder

High quality tube holder for your dosing pump. Slots available for three tubes for 8mm slots Three strong magnets Titanium screws Clear acrylic design

$28.99
Fluval Sea Hydrometer

Fluval Sea Hydrometer

Fluval Sea Hydrometer provides an accurate and convenient method of measuring specific gravity and salt level in marine aquariums. Regular testing is strongly recommended as stable salinity levels are essential for the health of m...

$9.99
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...

$129.49
Digital Aquatics Salinity Probe Calibration Solution

Digital Aquatics Salinity Probe Calibration Solution

Digital Aquatics Conductivity Probe Calibration Solution (53 mS)

$7.99
15 ft. AquaBus Extension Cable (Male/Female) Neptune Systems AquaController

15 ft. AquaBus Extension Cable (Male/Female) Neptune Systems AquaController

15’ Male/Female AquaBus cable.  Extension Aquabus cable used to lengthen AquaBus cables so that modules which are more than 15’ apart can be connect together.

$19.95
Neptune Conductivity Calibration Solution - 5 Pack

Neptune Conductivity Calibration Solution - 5 Pack

Conductivity Calibration Solution – 447.0 mS (5-pack) Use this calibration solution to calibrate your Conductivity Probe and PM2 for RO/DI water quality monitoring.

From $14.75
Vertex Titano XD Magnetic Probe Holder

Vertex Titano XD Magnetic Probe Holder

High quality probe holder that holds up to 3 probes. Holder has two 13mm ports and a larger 15mm port to accommodate the larger Neptune Systems temperature probe. Slots available for three probes (2 x 13mm, 1 x 15mm) Three st...

$31.99
Digital Aquatics pH Calibration Kit

Digital Aquatics pH Calibration Kit

Digital Aquatics pH Calibration Kit Included: 2 x 7.0 pH packets 2 x 10.0 pH packets

$19.99
Marina Stainless Steel Thermometer

Marina Stainless Steel 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

$3.49
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

$72.49
American Marine Pinpoint Electrode Storage Fluid 60 ml

American Marine Pinpoint Electrode Storage Fluid 60 ml

PINPOINT Electrode Storage Fluid (60ml) PINPOINT Probe storage fluid for pH and ORP/REDOX Probes This is the perfect fluid for the storage of any pH or ORP/REDOX Electrode. American Marine Probe Storage Fluid will keep the tip ...

$9.49
2 Channel Apex to Light Dimming Cable Neptune Systems AquaController

2 Channel Apex to Light Dimming Cable Neptune Systems AquaController

2 Channel light dimming cable for Apex variable speed ports.  It has 1 RJ45 connector on one end of the cable which plugs into the Apex base unit.  The other end of the 6’ cables have bare wires which connect to 0-10V di...

$14.95
Digital Aquatics DP1 Master Dosing Pump

Digital Aquatics DP1 Master Dosing Pump

The DP1 is a single pump dosing pump, that has adjustable flow from 15ml to 60ml a minute designed to be used with your Reefkeeper system. The DP1 can be used for dosing or as an auto top-off. Package Includes: DPI Master Do...

$99.99
Digital Aquatics ORP Probe w/ Calibration Packets

Digital Aquatics ORP Probe w/ Calibration Packets

Digital Aquatics ORP Probe Manufacturer: Digital Aquatics Resolution: 001mV One Male BNC Cable Length: 6 Feet (2 Meters) Probe Body: Dia 1/2" Probe Body: length 6.5" One Digital Aquatics ORP Probe One ...

$79.99
Hanna Instruments Digital Seawater Refractometer

Hanna Instruments Digital Seawater Refractometer

Designed for Research Grade Analysis HANNA‘s HI 96822 Digital Refractometer is a rugged portable, water resistant device that utilizes the measurement of the refractive index to determine the salinity of natural and artificial ...

$176.99
Hanna Instruments Primo TDS Tester

Hanna Instruments Primo TDS Tester

Direct probe connection Automatic calibration Automatic Temperature Compensation The Primo series of testers provide a fast and dependable way to measure the total dissolved solids or conductivity in your water samples. It...

$40.99
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...

From $101.49
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 ...

$84.99
76 - 100 of 143
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