With outside plants, you can take gallon milk jugs and poke tiny holes in them.Bury your pots below soil level.Hang jug over or modify.I part and gravity.You want your water ph'd to 6.2. Too much off this mark makes plants not absorb micronutrients.Don't mess with hydro unless you know what your doing.The shoelace method is your intrduction to hydroponics.Pouring nutrient rich water into potting soil medium is hydroponics.If your plants are that young, they should be in a sterile or very low ppm nutrients.They have all they need for the first 2 weeks.Do not ferilize.You'll burn em up.The most common mistake with young plants is overwatering.They want a wet, dry cycle to make roots spread.
The pic is one whiterhino x skunk #1,at 40 days aeroponic, in a tub I built for $50.This is advanced hydro.This is the only hydro I ever done.You have to live with it though.The tub will hold 6 plants.You flip the light after 5 days.This is a 45 day system with the right plants.Advanced Nutrients is the top of the line.I flowered this plant for 90 days.This is legal medical.