Hey Kevin - It's only been about 18 hours since the flush but so far so good. Before the flush my fan leaves were looking real droopy and this morning when the lights came on they were looking back to their perky selves. I think it was too many nutes but can not be sure until a few days pass so I can judge better.
I have no idea about mg soil - why would you not be able to flush it?
read the bag it came in and see if it has time release fertalizers in it. if so flushing is just going to release alot of nutes into the soil.
That amount of yellowing off on the bottom of the plant is nothing to worry about at week 4, it's natural.
The tips of the newest growth do show a bit of nute burn, not terrible, but burned none the less. I wouldn't do an all out flush on the plants, just feed them pH'd water the next couple times and feed again at slightly less ppms.
I will do that, I was wondering if the tips are from slight nute burn and i was reading up and then you answered that question for me, ill just use plain pH'd water next few watering then so. Forgot to ask, would it be a ok to still add molesses to the water?
Thank you.