ok guys my plants are getting worse by the day.i flushed them once with phd water @ 6.5 waited till they needed to be watered then i watered them with nutes again @ 1000ppm and 6.5ph. its has gottin alot worse that last couple days even the smaller leaves are starting to look like picture 3 and 5, leaf stems are getting purple streaks.its looks like a mag def to me but im using cal-mag or the water is like 330ppm it well water think thats my problem?.my new ro should be here tomorow so ill have plenty of good water.. should i flush them again?? by the way the are in 15 gallon bucktes, b-cuzz soil mix,co2 1500ppm with co2 controller,house and garden whole line plus,top max ,hydroplex , calmax.75-79degrees lights on and aroun 60-65 lights off and the humidity is between 50 60 %they are 4 days into the 6th week. all help appreciated i need these plants to make it the 12 weeks. thanks again for reading this thread