As compared to Mega Keto the induction phase, where you want to enter the state of ketosis, you may very well eat above what keeps you in ketosis. This means if your Critical Carbohydrate Level for Maintenance is high, you might leave ketosis. While adding 10 grams of carbohydrates each week, you should drink 8 glasses of water each day. Atkins Diet Plan Phase 4 - Lifetime Maintenance This phase might just be the most important one. You take everything you have learned from the previous phases and you use it to stay at your desired weight. You have lost the xs keto weight you wanted, now you need to maintain it for the rest of your life.