There is most certainly a lot more testing I would do before I would manufacture these.
Its a no brainer that the water would spill over the top of the baskets since thats what it does already.
Getting the canister to purge correctly would be the hard part. I modded the top cover to allow the canister to purge perfectly.
I would look into bio capacity and reduce the total volume of mechanical and chemical filtration, Otherwise you will be left with roughly the same bio capacity as it already has.