5 gallon bucket, 2 gal pots in coco. Near the end I would remove the plants then ppm the liquid which was a little higher, add ro water to bring it back to 700 then ph adjust. I'd use it again then waste it. Works great especially when you're pressed for time
I built a roof with rain gutters leading to a P-trap that drains outside to my rose bushes, both veg and flower room, still building and adding over here. My 2¢