I just tore done one of my frag systems and will be selling some of the equipment. For sale is a apex classic orange label in excellent working order. All modules have been updated to its newest firmware and is fusion ready. Apex includes main brain, display, eb8, temp sensor, and ph probe, probe is still in water, also included is a apex ald module but no sensors. Selling for $310 shipped and paypal fees included. And for $350 i will include and brand new BRS double junction ph probe in the box. Thanks everyone and stay safe and happy reefing. Brs ph probe not pictured