oh forgot, paint the buckets and net lids white with rust-olium plastic primer paint,this will help on the heat during the summer,setting the buckets on a piece of styrofoam or Al skinned foam insulation will help with the cold

Are you sure you want to go thru the lids with the feed lines rather than the side of the bucket,thru the bucket allows you to remove,rotate the plants without fussing with tubing fittings and making leaks???