Thanks for the response!Yes,I notices that on the boxes when I broke them down last night,I will cement the edges on a few and shove off on their maiden voyage tonight.
Re: pipes...I put two inlet pipes about mid depth (7 feet under full pool) to help draw deeper water and for security purposes if something every happened to my standpipe(s) I would at least have half my water.
Wish a put valves on inlets for further protection from water loss in stand pipe failure but I didn't