Bax71
Aquarium Advice Activist
What is your opinions on the HOB Refugiums? Are they worth it or not for 20 gal. long tanks
It is about 3 gallons, the pump I used is this. Sicce MICRAPLUS Pump (158 GPH) - Bulk Reef Supply
It works really well, I would recommend over sizing your return just in case, I haven't had issues but I can't run my pump at full flow. I would say you want 1" PVC. I also just made my own bulkheads by drilling out threaded PVC caps and threading them into the elbows, I haven't had any issues. Here is another picture of it right after I built it.
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