skimmer reactor

I have a reef octo skimmer only used for a year and a new mini reactor with pump Will sell both for $200 shipped with insurance Having shoulder surgery so my build is going to take longer then expected and I’m going smaller I can ship Monday morning via UPS

I was wondering if anyone has used bio pellets in a reactor in the chamber after their skimmer. I have an AIO tank (DIY) and have a spare chamber that I am looking at putting a biopellet reactor in. However, this chamber is after my skimmer and before my return pump chamber. I have read a few...