Grow Mediums 1st time hydro, burning - no growth PLEASE HELP

[Jr kron]

What is your exhaust blower rated? For a 400w you should have 100cfm, 400watts /4 =100cfm exhaust blower. During hot summer days I used to dim my ballast to 250 to keep the temperature cool.

 

[absinthe]

she is steel alive! if there was a contest about the smallest and worst auto i could win the 1st price! i have switch on the last 2 weeks my 400w hps, temp stays at 33c day. (too hot i know)
the second one (dianafem) started flower!!! she is 16 days old.

 

[AutoOtto]

I burnt my NL autos like that when they were young, and look at them now!!

cannabis plants are very hardy, they can come back from a lot!

:stylez rasta smoke:

 

[absinthe]

The smell is awesome!!!

 

[absinthe]

Finished !!!

I am sorry about my delay. My daughter was born!!!
Dry 75 grams. Very good for my 1st time and all those problems.
I have learned a lot, thank you for your help.