Where are you guys buying bulk heads from? I went to HD and they didnt have any that I could find in the plumbing dept. Is there different kinds that have female parts on both ends so I can attach a filter head to the drain inside the tank and then pvc on the other side? The ones I have at my house (which I dont think I'll be using) have a female side and then another side that is nothing, basically an open smooth hole. Ideas for what I described above as this is likely what I'll be going with.
I think my drains will require 1.5" inside diameter pvc and my return will require 1" inside diameter.
I'll likely have two drains in the upper corners and then two returns in the 2/5 and 3/5 spacings at the top of the tank.
___D________R________R________D___ D= drain and R= Return
Hope that makes sense.
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