Grand daddy purple & Jack Herer CBD

I've start my seeds on a shot glass. I carefully indentified each one but I dump Them all in the same glass... Guess It will be a surprise. But in theory the jack Herer should be taller and the Grand daddy purple should change color when it will start budding. No fertiliser until week 3-4 , I will see how my babies go. I'm an expérience grower (at least 50~s) but IT been a year since my last grow. I use automatic dripping, automatic température/humidity controle. Temp is 25°c (during the flowering I will set the temp at 15°c at Nights so the GDP can expose all his colors! I'm using a 4x8 tent for 6plants. I use 1 lamp(suppose to be 1000w each but I doubt IT... Anyway they work freaking great at 100$ each. I Will Cut clone, for my friends and my next grow