how often for cleanse/lemon vs. grapefruit juice

My husband and I did our first cleanse this weekend. We each passed 30-40 stones. We were doubters, but not anymore! How often should a cleanse be done? Also, does it matter whether you use lemon juice or grapefruit juice? We used lemon juice. I'm wondering if the grapefruit juice would improve the flavor at all. I REALLY had a hard time getting the olive oil mixture down. Tweet