Can you help diagnose a problem, they are 6 weeks into flowering, soil is plagron, under a 400w HPS, light is ~20inches from top of the plants.

We thought it was nute burn so flushed, this didn't help, we also thought magnesium def so gave them a drink with epsom salts. this didn't help either.. in fact things seem to be getting worse.. growth has almost stopped in the last week. They are fed 2.5ml/litre of bio bizz bloom but have had non in the last week, just plain water. Looking for some expert advice on how to fix my girls , hopefully its not to late..

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Not a total expert here, sorry.

BUT! In pics 2 and 3 the plants honestly look fine... 6 weeks into flower, how long aretheplants supposed to go? Seems like they should start sucking out the nutes from their fan leaves and throwing em away like they look to be doing. That yellow discoloration is totally fine, as for the other 2 pics yeah I woulda thought nute burn too O.O

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yeh bro,she is coming to the end of her life,i can see that by the main bud column pic

nice going,and what plagron soil r u using brother????

i use Royalty Mix and Bio Bloom at the end too!!!!

in the last 2,possinly 3 weeks,they should eat ALL of their fan leaves,they are going to die soon and they damn well know it,its the easiest form of energy rich material available to them

it looks a bit like nute burn,but so far along id say shes just munching them

apon enduring flushing leafs will begen to die off. if u are still in the middle of flowering an feeding newts to your plant, the yellowing an dieing leafs may indicate PH lock up. what is the PH in your soil. you need to shot for a PH of 6.3-6.8.

They looks good

thanks for the quick replies..

Plants should go for about 60 days so 2 weeks left, maybe a bit more, depends on the trichs, they still clear.. not concerned about the yellowing leaves as this is normal, it was more the purpling of the leaves on the top cola, pic 2, this seems to be getting worse, plus the top of the plant is very dry and crispy like.

Soil is the plagron bat mix, pricy but well worth it imo

PH going in is 6.4-6.7 , i've not tested the run off - they seem to have stopped drinking water, 5 days since there last drink and the soil is still wet? If it is ph lock up how would I fix?

Got some cuttings off them so have another 9 in the tent which are coming along nicely but want to avoid the same problem in another 5 weeks if poss.

cool bat bix is on par with my soil,sure they all clear,must have some cloudy trichs after 6 weeks???

great these plagrron soils,at least 6 weeks feed in,not good for seedlings tho,burns the crap outta them,they recover but,well,just not good!