The two waters are not very ...
Published by Joseph Cotruvo, President at Joseph Cotruvo & Associates, Water , Environment and Public Health
The two waters are not very different. EDR or RO will work for both. However, one of your major concerns will be the corrosivity of the product water. It will be aggressive toward the pipes and fixtures and leach metals, so you will need to stabilize it by pH adjustment and hardening with lime or limestone.