Hi all I'm new here and in need of advice my girls haven't changed at all in last 3weeks I've lost count on how many days into flower they are at the stage I would call it like a crown got head with plenty of the white hairs on but no buds (sorry for not using the correct names as I said I'm new ) but they have been at this stage for weeks on end there is plenty of lights (600w hps ) there grown in 75L pots in soil the plants are very strong and big the leafs are a dark green with a lot of THC on them my over grows were great no probs at all the temps seem ok they are 28 highest and lowest 14/15 today I flushed loads of water through them is there anything else I can do thanks to anybody who maybe able to help