Day 1 of water fast. Have done many 30 day Master Cleanses and Juice Cleanses, usually 1 or 2 a year. Have done one 7 day Water Fast at a supervised clinic. Now trying a 10 day Water Fast unsupervised, if it goes well and work stays elusive, may go longer. Would love a fasting buddy! Also, read on a few posts that to prevent electrolyte imbalances whilst on Water Fast to add Himalyan Crystal salt to your water. Any suggestions on if Brita Filters are ok for the fast...