some advise please

if the lights are too close it can result in slower budding on the tips. below the tops it is budding fine right? new leaves will form with the new buds. they wont be big fan leaves, but they will be sufficient in time.
 
hello
a friend has a few plants that are starting to go bad 4 weeks into budding..some of his plants leaves started shrinking and going away at the top of these plants..where their was once bushy leaves at the tip of his plants is now replaced with a leaf here and there..and its not a whole leaf..you know how a leaf has 5 points well his only have one tip..and the budding has slowed to pretty much much nothing on the top..he was told his lights are to close and thats the problem..even though the top of his plant didnt have burn spots the leave were just twisting and shrinking away and the leaves are not dry..so he raised his lights and is hoping they will do better..

my question is: will his plants start to grow good leaves again? ones that dont twist and shrink away?..will it bud better if it was that lighting problem? or does it look like it could be some other problem besides the lights..ph is fine

he also is growing in 3 gallon pots in granulated rockwool..the rockwool has settled down to a little over half the pot..can he lift the plant out of the pot and fill it with some perlite and place the rockwool on that? (since he cant get more rockwool)..plants are 35 days old.


If the problem was heat from ‘his’ light the leaves that were damaged enough already will die off and those that are not damaged all that much will rejuvenate but will not totally return to a perfect condition. The dried damaged ends and edges will not come back but the rest of the leaf/leaves will do its/their job.

As far as ‘your friend’ is in flowering I would not expect a whole bunch of new leaves to start sprouting out. If some do it is unlikely that they will reach a size to really help the plant all that much before it is time to harvest.

The next part is a pure guess, total speculation. I have never grown in rockwool so I cannot say if ‘your friend’ can pull them out and add perlite under them or not. I am not so sure that would really help even if ‘he’ did but if he can do it I would suggest that ‘he’ tried. When you said ‘your friend’ is growing in three-gallon pots and the plants are drying up the first thing I thought was ‘he’ doesn’t have enough water retention capability and the plants are not getting enough water. When you said the rockwool is down about half way that made me think it even more likely that ‘he’ has a lack of moisture problem. Many people think that perlite is mostly or mainly for loosening the soil and allowing air flow and some think it does not have much water retention capability but it does so if ‘he’ can add perlite and if ‘his’ problem is lack of water retention that could help a great deal.

What you need is someone who grows like that or has grown like that to say if ‘he’ can yank the plants to then add perlite or not and since I never grew that way I do not want to tell ‘him’ that ‘he’ can or cannot because if I tell ‘him’ wrong my pure guess might mean the death of ‘his’ plants instead of helping ‘his’ plants and I want to help if I can and not make things worse.

Again this is just a total guess but if ‘he’ can pull ‘his’ plants out why couldn’t ‘he’ then place more rockwool underneath where the perlite would be added? Wouldn’t the roost grow into it pretty much the same as they would in perlite? I am not saying that would be a better way to go since I have never grow that way but it just seems that if one thing could be added something else could be added too/instead. Right? Wrong? Someone tell me because I do not know but was just thinking it made sense.
 
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