BB tent grow, 600W HPS, WW & Jack Flash

Hey guys!

My setup is as follows:

600W HPS veg & 600W HPS bloom
12L veg buckets (aluminium taped)
20L bloom buckets (aluminium taped)
oscillating fan to cool buckets and make plants more durable
squirrel-fan pulling cold/fresh air from outside vent

Environment:

Water temps around 19-23 celcius
Room temp around 21-29 celcius
Humidity 40% - 65% (depends on outside conditions)



Chronology:

WW#1 - 3 weeks 1 day
WW#2 - 2 weeks 6 days
JF - 2 weeks 4 days

I germinated them by soaking rockwool in 5,5ph for 45min, placing the seed inside, putting a plastic cup with holes over and keeping them warm (24-28 celcius)

After they shed the seed shell I put them in netpots in the BBs with a layer of clay pebbles under and the water bubbles splashing up under them to stimulate root growth.
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Jack Flash
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WW #2

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WW #1

I have had some problems:

I waited a while to cover the BBs in alu tape and gave one nute burn.
Obviously the girls were not strong enough to absorb the nutes and the nute solution was just floating around in warm water. I noticed some brown stuff on the roots a few days later and decided to flush the roots, clean everything with chlorine and just ph balance the water.

Now some of the leaves on the Jack Flash seem to be decaying and I am unsure if it is just due to the roots being flushed, residual bacteria/algae hurting my baby or perhaps a deficiency. I would love some input on this issue and my grow in general :)
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