put them in regular pots like 1.75L or you could go 3 gallon and not have to worry about transplant again, how often do u water them? should be around 2-3 days depending on temp and humidity, ph should be around 7 but not lower than 6.3, when i say ph you get a ph tester for soil or water and you can get ph up and ph down to get it in the right % for your plants so they are not to acidic or to alkaline. what kinds of lights are you using and how far away are they? im using 7 cfl energy saver lights and they are 2-3 inches from tops of plants. put a fan in there blowing on them if you already dont