I'll be using Aptus on two of them and GreenPlanet on the other two to see the diference.
The two on the back are Baked in Paris, and the two in the front are In-Z-Air. The left side is beeing fed with GreenPlanetNutrients, and the right side with AptusPlantTech.
Ended up giving them a lot of veg. time because I was waiting on some clones to leave the tent.