nano return pump

Hello family members of R2R， We're launching a FREE TEST for IOAOI nano water pump, USB plug, but NO adapter. US only. We truly look forward to receiving your objective and detailed feedback. To sign up - Like & comment on this thread. We'll send you a PM. :star-struck:

Ok so I came across an old aquapod 12 gallon aio and I thought hey why don't I use this as a sump with a huge refugium since the glass is scratched horribly and I don't forsee myself buffing it out and setting it up. So my question is what kind of return pump can i use that will fit in the back...