cor 20 neptune

Well maintained COR 20, with new fittings and o-rings. Pulled off a closed loop system that I shut down. Includes a 3D printed power brick holder as well. Asking $275 shipped CONUS.

Hello All, The good news is I get to move to Germany. The bad news is I have to tear down everything and start over. It has be an amazing journey learning, building, and enjoying my tank. Here is everything I have to offer. Let me know if your interested in anything. Its all gotta go. I'm...

Used Apex COR 20 w/ new power supply, new pvc fittings, and seals. Asking $280.00 Will ship if buyer pays for shipping.

Hey, I started this hobby a couple months ago and I slowly buy parts for my build so I often end up upgrading the "older" part. I have a 40gl breeder bashsea ss-30 sump a PF-300 overflow and a COR-20 pump (bottle neck I know) I thought if I run the Cor on a lower setting to match the overflow I...

So, I ventured into that wonderful world of tank upgrades. I upgraded from my 70g cadlights II tank to a Waterbox 5226 peninsula. I'll be the first to say that it was quite challenging and took me nearly all day to do it. I found myself worrying and stressing during the whole process. But...

A sale from Neptune Systems!?! $25 off the COR-20 Intelligent Return Pump