NEPTUNE SYSTEMS PM1 pH/ORP PROBE MODULE Aqua Illumination You will be able to

You will be able to see the mode

Dimensions: 16

375 inches (9

if for some reason your sump should ever overflow

NEPTUNE SYSTEMS PM1 pH/ORP PROBE MODULE Aqua Illumination You will be able toPH ORP PROBE MODULE :: PM1 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, there is an added bonus, you get an extra temperature port as well as six I O switch inputs for use on ATO, feed buttons, or whatever else you may come up with. This module is perfect for someone that wants to add an additional pH or ORP port to their Apex System. GREAT USES FOR THE EXTRA PORTS If