Obviously float centers need a lot of salt. The average float tank requires roughly a thousand pounds of salt to maintain a specific gravity high enough to be functional. What about after you get your tanks filled and ready to go, how much do you need to have on hand just for maintaining that level? Fortunately, Graham and Ashkahn have a good rule of thumb for how they run Float On to use as a metric, as well as some good simple tips to keep in mind about storage in your float centers.