I have been making my own Laundry Detergent in a large quantities for a while. Usually I fill up an empty OxyClean container with detergent to sit beside my machine and store the remaining bulk in a larger storage container. I have to do a LOT of laundry so I have to refill the OxyClean container often.  I've been brainstorming on making a refillable container of its own. A few days ago