The plumbing of the 5 running tanks and sump was done like this
General view
Water flow from out of the sump
entering the lower tank
entering in the central tanks
and in the top tanks
Water leaving the top tanks
and leaving central tanks
entering in the sump
Next time i will try to take better pics
General view
Water flow from out of the sump
entering the lower tank
entering in the central tanks
and in the top tanks
Water leaving the top tanks
and leaving central tanks
entering in the sump
Next time i will try to take better pics