neptune apex a3

I am in the process of moving over outlets and commands from old Apex (port issue) to a new warranty replacement one. In that process of unplugging and plugging in modules between the two, both units keep creating new input modules. I have multiple DOS, MXM and other inputs now. When I go to the...

Hanna Marine Phosphate ULR (ppm) Handheld Colorimeter Comes with both vials in box. Vials stored with RODI water to prevent water stains etc. both vials are clean/like new and this comes with 35 tests dated at least 10 months from now with the bulk about 24 months. Works flawlessly. $40 shipped...

I am looking for a Neptune apex A3 for sale. I do not want the Jr. I want to purchase the next step up from the Jr. Let me know what you have.

Looking for a newer Apex and Trident used around a year or less.

We are new to the salt water live coral and fish aquarium world, but have had small freshwater tanks all our lives. We are looking at the Waterbox MarineX 110.4 (Let me know your thoughts on this tank). I’m starting to look into the whole sump system situation and all of the other parts that go...

Hey all, I’m from Tennessee, hence the “inland”. I’ve recently rejoined the reefing hobby. I started with a 29G JBJ Nanocube metal halide in 2017. Now I’ve returned with a 32G LED Biocube. The difference in lighting is phenomenal. Anyways this tank was already running for 2 years when I got...

Like new condition including the boxes. Purchased earlier this year. Factory reset, properly shutdown via tasks and ready to go. Prices include shipping in the USA. Apex SOLD