Well ive done alot of research online for pictures and Diagrams and well come up short on some things... I will have this "clothing bucket" to start with. Will cut PVC plates to slide in as close to teh wall as possible to have the tightest fit. Ill do this for teh first partition (wall) and it will go all the way to the bottom of said bucket. Secoundly u want to force water flow through "media" such as Bio balls or sothing close to it. This wall will not go to the bottom of the sump so the water can flow through and under it and not just pool on top and will not create a life. Thrid partition will again go to the bottom and will house Plants. This will increase the life and Oxygen of the Tank u are filering. I hope to have plants carry over to my 220 and grow on the rocks and gravel and whatever else i find to install. the last partition will house the PUMP that will discharge this overflowing water back to the main tank after said Filteration.
So quickly go over this again. First Partition will spillover to 2nd, 2nd partition will flow underneathe to the third will spillover to the plants and plants partition will spillover to the discharge pump. Now make sure to instal a Check valve on the discharge of the pump incase u lose power and the pump turns off the sump will not over flow. Or u can simply create a siphon break in the discharge line inside the tank but above the water line AKA keep the discharge sprayer above waterline, Same goes for the Spillover side to the sump. Keep that close to the top of the waterline so u do not force the to much water to the the sump to fast and over run the pump. I will be sizing my Pump so that i can throttle it back and get a good even flow between the water coming in and going out. U do not want to run a Submersible pump Dry as it will burn up and they are not cheap.