I have not seen it on individual buckets but that is how a control rez and a rez tank keeps the level in all that is hooked up to it.

I would be interested if you come up with something.
LOC NAR on probation Reviewed by LOC NAR on probation on . Idea: Is it mine? Auto fill reservior using tiolet tank float? Has anyone ever thought of using a toilet tank float to auto fill your DWC reservoir? I've searched the threads and haven't found anything. Rating: 5