iam setting up my 125 truvu tank with a biult in 1 1/2" side overflow but i dont know anything about plumming ect:confused, is the PVC glue at the hard ware store safe for tank use?(the brand is oatley and is says poison on the bottel)it's for grow out with large fish what would be a good size wetdry?iam planning on pot scrubbies for bio media and a layer of quilting batten on the drip tray to get the big stuff, i have a 12" wide by 24"H space under the stand what would be a good way to utilize it? if anyone has anyother tips it would vary helpfull, and iam sure il have more questions as i continue