yellowseahorseguy Posted July 30, 2016 Share Posted July 30, 2016 (edited) Hey guys, saw a thread once about a pvc overflow but HOB style... Anyone know how to do it? Thank for your help guys! Sent from my iPhone using Tapatalk Edited July 30, 2016 by yellowseahorseguy Quote Link to comment Share on other sites More sharing options...
Fisher15 Posted July 30, 2016 Share Posted July 30, 2016 I use a pvc overflow in my brood stock tanks. I am not sure what you are looking for. 1 Quote Link to comment Share on other sites More sharing options...
yellowseahorseguy Posted July 30, 2016 Author Share Posted July 30, 2016 Nice but I was hoping for a HOB version. Tank isn't drilled. I don't think it can be drilled so looking for a DIY PVC HOB...ASAP. Jk, can u tell I'm from corporate America with my acronyms? Sent from my iPhone using Tapatalk Quote Link to comment Share on other sites More sharing options...
Fisher15 Posted July 30, 2016 Share Posted July 30, 2016 1 Quote Link to comment Share on other sites More sharing options...
Fisher15 Posted July 30, 2016 Share Posted July 30, 2016 Watch out for air bubbles slowly accumulating in the top of the siphon and stopping it. Quote Link to comment Share on other sites More sharing options...
yellowseahorseguy Posted July 30, 2016 Author Share Posted July 30, 2016 Hey guys got it! https://m.youtube.com/watch?v=65yVr7DiDls Sent from my iPhone using Tapatalk 1 Quote Link to comment Share on other sites More sharing options...
yellowseahorseguy Posted July 30, 2016 Author Share Posted July 30, 2016 Thank u! You beat to the post! Sent from my iPhone using Tapatalk 1 Quote Link to comment Share on other sites More sharing options...
wmcbane200 Posted July 31, 2016 Share Posted July 31, 2016 I used that overflow for a while and I just could not get it to quiet down no matter what I did. I ended up just buying a HoB overflow. Sent from my iPhone using Tapatalk 1 Quote Link to comment Share on other sites More sharing options...
bubbarockies Posted August 1, 2016 Share Posted August 1, 2016 Watch out for air bubbles slowly accumulating in the top of the siphon and stopping it.To this point, consider installing an airline check valve in the top siphon portion and periodically just suck out the air that accumulates. Sent from my SM-G900V using Tapatalk 1 Quote Link to comment Share on other sites More sharing options...
wmcbane200 Posted August 2, 2016 Share Posted August 2, 2016 Don't drill through your hand either making it. I might have done that... Lol Sent from my iPhone using Tapatalk 2 Quote Link to comment Share on other sites More sharing options...
yellowseahorseguy Posted August 10, 2016 Author Share Posted August 10, 2016 Thanks for all the advise!! Sent from my iPhone using Tapatalk Quote Link to comment Share on other sites More sharing options...
pledosophy Posted August 11, 2016 Share Posted August 11, 2016 It's easier to just drill the tank. Quote Link to comment Share on other sites More sharing options...
dhnguyen Posted April 4, 2021 Share Posted April 4, 2021 (edited) On 8/1/2016 at 8:38 AM, bubbarockies said: To this point, consider installing an airline check valve in the top siphon portion and periodically just suck out the air that accumulates. Sent from my SM-G900V using Tapatalk I wouldn't use an airline check valve. IME this will eventually fail and cause a flood. I had to find this out the hard way. Instead just drill the top of the siphon tube and connect an Aqualifter pump and let it run continuously to suck out any air bubbles accumulated. This is similar to how the CPR overflows are configured also. Edited April 4, 2021 by dhnguyen Quote Link to comment Share on other sites More sharing options...
dhnguyen Posted April 4, 2021 Share Posted April 4, 2021 BTW this is a much cleaner design and will take up less space in the tank. Just make sure the internal overflow tube is about twice the size of the main drain tube. https://dramaticaquascapes.com/PVC_Overflow_11.html Quote Link to comment Share on other sites More sharing options...
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