I have a 29g with a foot print of 30x12. That should be a good starting point.
Lets start with the lowest level in the tank the bottom and work from there.
The manifold: How many pull points should there be coming from the manifold to effectively move a burst or water (1/8" drop)?
One in each corner? or one in the middle of the back?
How would the manifold need to be laid out to get even pull..
Do you have any drawings Barry? I can draw something out if I have some idea of hole placement and flow cordination.
I was intending to use 1/2 OD PVC with the holes covered by sections of filter bag cut to fit the area over the hole.
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