Showing 73–84 of 107 results

Neptune Double Junction Lab Grade pH Probe

$94.99
WHAT’S THE DIFFERENCE BETWEEN DOUBLE JUNCTION AND SINGLE JUNCTION PROBES? Single junction probes put the reference electrode in direct contact

Neptune EB4 Energy Bar 4

$125.99
This item must be used with a Neptune Apex controller, it cannot be used stand alone. Designed for a USA-style

Neptune EB8 Energy Bar 8

$159.99
This item must be used with a Neptune Apex controller, it cannot be used stand alone. Designed for a USA-style

Neptune EB832 Energy Bar 832

$304.99
This item must be used with a Neptune Apex controller, it cannot be used stand alone. When Neptune decided to

Neptune Lab Grade Conductivity Probe

$209.99
Dual Range – 0 to 999 us/cm or – 0 to 99.9 ms/cm Lab quality probe w/10′ cable Minidin 4

Neptune LDK Leak Detection Kit

$164.99
This item must be used with a Neptune Apex controller, it cannot be used stand alone.   Aquarium leaks are

Neptune Low Profile Leak Detection Probe

$34.99
This slim probe is designed to be placed underneath your carpet, stand or any other device. Connects to our FMM module

Neptune Low Profile Leak Detection Probe for ALD

$31.99
This slim probe is designed to be placed underneath your carpet, stand or any other device and works with the

Neptune MPR Magnetic Probe Rack Holder

$44.99
Organizes up to four probes Designed specifically for the Apex Controller probes Built with an all acrylic weather and shatter

Neptune Optical Sensor

$29.99
This sensor plugs into your FMM and, using reflected infrared light, will signal your Apex when it changes state from

Neptune Optical Sensor with Magnet Mount

$39.99
This sensor plugs into your FMM and, using reflected infrared light, will signal your Apex when it changes state from

Neptune PM1 – PH/ORP Probe Module

$94.99
This item must be used with a Neptune Apex controller, it cannot be used stand alone.   The PM1 probe