Thats a great way to look at it. Use every bit of this time to absorb the experience, and believe it or not, all of this that you're going through, is part of the experience. How could you ever know what's bad, good, or better without royally screwing up a few times. IMO, you should learn to master your environment and work with what you have, never be afraid to scrap an Idea if it's not working. You may have to modify your setup many times before it works for your situation.
That being said, I believe DD is right. You might rethink your ventilation, the plants really like it! also, don't expect changes too quickly. While hydro can allow for quick corrections, your plant may need some time depending on the damage. Be patient with your girls. =)