Still third week added plain RO water to dilute nute strength...Per advise from people here..I am going to be getting H2o2 end of this week ...How much should I add and is it safe for the plants....I heard that it kills all the bad and good microbes..Any suggestion please....still look healthy except couple of fanleaves on one of the plants had to cut off nute burn....live and learn....Temp got real hot in room yest...even know I have a 5,000 btu air cond.. running full time...Lights go off at 12 noon and resume at 6.00 pm...starting today to try and keep room under 80deg. At night temp goes down to 70 deg with 1000 watt hps light on...I will not be adding Gro the next nute change only micro and bloom calmagplus and diamond nector,,,,With H2O2??????and another bubble wand since roots are getting so long...I felt roots and are not slimy or crumbly.... LOC and Latewood/ any more sugg????? Zandor the great???? no pics of roots yet tommorow will be posting