With the salt water flush. If anything it should help with hydration, because if your system needs salt to retain the water it will take it, and if it needs water it will take some. Meanwhile it will feel good to ensure that you remove lots of toxins at least once daily. You can also look forward to other weird stuff happening as your body uses the digestion energy to detoxify your body...By day 3 or so you probably will have a fuzzy looking white coating on your tongue that will get thicker as you go on. You can imagine all the toxins you have ingested orally over that tongue, leaching in, now being leached out. It helps to brush the tongue. Some have recommended Epsom Salt baths to help your skin remove toxins from your body.