hey man he is pulling your leg
you grow right and let us know how ur doing it
we may be able to guess close to the end weight
but 500g per plant could be done
so ur looking at 3kg with six plants
but this is if you let them grow in the ground and feed them
look after them every day
but i think ur growing indoors in a tent right?
and its a small tent grow one or 2 in the tent
start up a grow log and put pic up and we will help ya
give us more info
but 2 in a tent 1st time grower stick my neck on the line here with 600g plus
if ya give them a good veg
and look after them