root pruning

So I started these two strawberry coughs from seed two to three weeks ago in the Joe's cups. They spent the day outside and the nights under a 40w Hg Aquarium light. When thin roots became visible down the sides of the cups I pruned back the larger ones as well as the tap root on the bottom...

38 days from seed, 1 gallon transplanting to 3

So, this is beginning to get a bit frustrating. I was getting ready to go into flowering this week, but last week, my plant seemed to be over watered, so I held off. Anyhow, I let off on water for the usual 3ish days, but it never really responded, until it then seemed to be underwatered, so I...