I use the bubble flow buckets also. they work very well pretty much an upwelling system where it returns from the top. http://www.zenhydro.com/flo-n-gro-6-6-gallon-mesh-basket-lid-10-in.html http://www.zenhydro.com/flo-n-gro-6-6-gallon-black-bucket.html just find the adapters for top and...