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December 3, 2021
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  Search results for Testing & Controllers*
161 Items . . .   392 News & Articles . . . Sort By  # List on Page
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Product Name
Category/Manufacturer
Item#
Apex Double Junction Lab Grade pH Probe
Neptune Double Junction probes will out last most other traditional lab grade probes letting you go longer between calibrations, and allowing you (read more . . .)
Catgeory Testing & Controllers*
Mfg Neptune Systems Log in to see price   NE119
Apex PM1 (pH or ORP, Temperature) I/O Expansion
Features of the Neptune Systems pH/ORP Expansion Module:
Monitor and Control pH or ORP and temperature

6 digital inputs for float sw (read more . . .)
Catgeory Testing & Controllers*
Mfg Neptune Systems Log in to see price   NE105
Apex Double Junction Lab Grade ORP Probe
Neptune Double Junction probes will out last most other traditional lab grade probes letting you go longer between calibrations, and allowing you (read more . . .)
Catgeory Testing & Controllers*
Mfg Neptune Systems Log in to see price   NE120
Apex PM2 (Conductivity/Salinity, Temperature) I/O Expansion
Features of the Neptune Systems Salinity Expansion Module:
Monitor/Control Conductivity/Salinity and temperature
4 Measurement ranges (0- (read more . . .)
Catgeory Testing & Controllers*
Mfg Neptune Systems Log in to see price   NE106
Apex Lab Grade Conductivity Probe
Start measuring salinity in your tank and get alerts when it is out of range.
Replace an old probe

Add salinity monitoring to your s (read more . . .)
Catgeory Testing & Controllers*
Mfg Neptune Systems Log in to see price   NE121
Apex PM3 (Dissolved Oxygen, Temperature) I/O Expansion
With so many additives that are hitting the market today, that focus on biological nutrient removal can easily and rapidly take up the dissolved (read more . . .)
Catgeory Testing & Controllers*
Mfg Neptune Systems Log in to see price   NE107
HI781 Saltwater Low Range Nitrate Checker
Get highly accurate results with the HI781 Marine Nitrate Low Range Colorimeter. With a digital read out, there is no more struggling to determin (read more . . .)
Catgeory Testing & Controllers*
Mfg Hanna Instruments Log in to see price   HN128
Apex Conductivity Calibration Solution 53.0mS
53.0 mS Conductivity Solution - Used for calibrating conductivity probe for saltwater applications. (read more . . .)
Catgeory Testing & Controllers*
Mfg Neptune Systems Log in to see price   NE124
Ammonia Alert
Ammonia Alert is an innovative color device for continuously detecting and monitoring toxic free ammonia. A sensor changes reversibly from yellow (read more . . .)
Catgeory Testing & Controllers*
Mfg Seachem Log in to see price   SC6626
Apex ALD Solid-Surface Probe
One of the biggest devastating accidents with an aquarium can be a leak or overflow.  An overflowing tank or leaking piece of equipment can caus (read more . . .)
Catgeory Testing & Controllers*
Mfg Neptune Systems Log in to see price   NE111
Apex I/O Breakout Box  
Add up to six external switch inputs to your Apex Neptune System with the the I/O Breakout Box.
Float Switches for sump alerts or ATO (Auto T (read more . . .)
Catgeory Testing & Controllers*
Mfg Neptune Systems Log in to see price   NE126
Reef Master Test Kit
As a reef keeper, you already know how important water testing is to your thriving aquarium. But you are ready for more sensitive species that r (read more . . .)
Catgeory Testing & Controllers*
Mfg API Mars Fishcare Log in to see price   APH1030
Apex VDM Variable Speed/Dimming Module/AI-Sol/AcanLighting Compatible
The versatile VDM Expansion Module can be used as an LED Dimming module to simulate Sunrise/Sunset, Lunar Cycle, Clouds and Lighting with Apex Re (read more . . .)
Catgeory Testing & Controllers*
Mfg Neptune Systems Log in to see price   NE112
Apex LSM Lunar Simulator Module
Add the Lunar Simulator Module Apex Unit to create a true lunar cycle to your reef aquarium. Many fish and corals will spawn following the lunar (read more . . .)
Catgeory Testing & Controllers*
Mfg Neptune Systems Log in to see price   NE113
Natural Scoop 4oz
Excellent for measuring powders, liquids, or pellets.

Measures 25ml to 125 ml, and shows milliliters, ounces, and cups.

Measu (read more . . .)
Catgeory Testing & Controllers*
Mfg Aquarium Life Support Systems Log in to see price   MK101
Pocket Size pH Meter  
DIGITAL. SIMPLE. COMPACT.

Over 200,000 people have relied on the Milwaukee pH600AQ compact pH pen tester to move from difficult to use a (read more . . .)
Catgeory Testing & Controllers*
Mfg Milwaukee Log in to see price   MIL2001
Floating Thermometer with Suction Cup
With water temperature being such a critical factor for the well-being of fish, it’s important to have a good thermometer. This Floating Thermo (read more . . .)
Catgeory Testing & Controllers*
Mfg Penn Plax Log in to see price   PP7875
HALO Wireless Field pH Meter
Our HALO® Wireless Field pH Meter has a durable PEI body and spherical sensing bulb. All readings are transmitted directly to your Apple or Andr (read more . . .)
Catgeory Testing & Controllers*
Mfg Hanna Instruments Log in to see price   HN124
  HI97105 Marine Master Multiparameter Photometer
Accurately check pH, Alkalinity, Calcium, Low Range and High Range Nitrate, Ultra Low Range Nitrite, and Ultra Low Range Phosphate with one singl (read more . . .)
Catgeory Testing & Controllers*
Mfg Hanna Instruments Log in to see price   HN134
Floating Thermometer w/ Suction Cup
The Marina floating thermometer with suction cup is accurate and easy to read. It has a safety zone indicator for most tropical fish. Protect you (read more . . .)
Catgeory Testing & Controllers*
Mfg Hagen Log in to see price   HA3582
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