I asked in forum before but everybody say overwater but it isnt overwater. That spots on leaf spread of other plants and leafs.and my plants die slowly.what is plants problem.
250 w hps
11lt soil perlite mix
biobiz grow and bloom
vantilation fine
https://imgur.com/a/MCQHx
250 w hps
11lt soil perlite mix
biobiz grow and bloom
vantilation fine
https://imgur.com/a/MCQHx