This Neptune System Classic Apex System comes with a controller, probes, Aquabus cable, and other accessories to help you monitor and control the environment of your aquarium. The brand, Neptune, is known for its high-quality products and this controller is no exception. It is perfect for those who want to take their aquarium to the next level and ensure that their fish and other underwater creatures are living in a comfortable and healthy environment.

This controller is specifically designed for aquariums and allows you to easily monitor and adjust things like temperature, pH levels, and lighting. The included probes and Aquabus cable make installation and setup a breeze. With the Neptune System Classic Apex System, you can take your aquarium hobby to the next level and ensure that your fish and other underwater creatures are thriving.

Up for sale is a used apex system classic. Comes with everything you need to set up your system minus the energy bar. I have the energy bars posted on eBay account if you are interested in purchasing one. It comes with Aqua controller, apex classic controller, probes for temp/orp/ph, Ethernet cable, router to connect to your internet and aquabus cable to connect the Aqua controller to the apex classic. I no longer need this setup because I got out of the hobby. The probes will be sent in a sealed container with water. Everything is in worked perfectly when I had it setup. Good luck and happy bidding!