I have a Jeboa DCT-4000 return in my 65g tank, been running 17 months now with no issues, so far so good. As this is my first SW tank I can’t comment on reliability beyond this.
If I had the space I would run two returns fo redundancy as others have mentioned. Currently I don’t have room as I have a chiller and return pump in the (only) return section I have. I am considering how I could redesign this to combine both - two pumps covering both return and chiller for redundancy.
If I had the space I would run two returns fo redundancy as others have mentioned. Currently I don’t have room as I have a chiller and return pump in the (only) return section I have. I am considering how I could redesign this to combine both - two pumps covering both return and chiller for redundancy.

