I'd like to set up a herbie overflow on my 200g reef ready but not sure how it will work. I have two overflow boxes on the tank, each has one 1" drain and one 3/4" return. If I set up the two drains as herbie, that leaves one 3/4" for return and one 3/4" for emergency- but that is only in one of the overflows.... if the herbie on the side with the return gets clogged, the entire overflow will fill up.... I've read and read as much as I can on herbie's but I don't see anything with two overflow boxes, other than prskiller's. Will I have to settle with either running an external return, or doing a durso or similar on the return side?
Herbie ???'S
- Thread starter rokit_armor
- Start date
I guess I could do only the one corner overflow for drain, and the other for return, make it easier to tune, and don't need to worry about conflicting water levels. Should I just Y the output from my pump then to go to both returns?
Tie the two 1" drains into one 1-1/2 or 2" drain with pvc gate valve. Use the two 3/4 as your emergency drain then run a 3/4 from your return pump to DIY spraybar or whatever you desire. That is how my 210g is setup.
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BTW I thought about using one of the 3/4 in the overflow as my return but best to be safe than sorry. You could paint the pvc return black to conceal it.
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