Hey you seem to have a lot of posts lets see if you can help me out.....

Ok the problem i am having is i am growing Early glory but one of my plants is developing yellow spots on its leaves, this then leads to the leaf drying out and then the yellow spreads and the leaf dies...

Growing Info
Light - 600w hps
Growing Medium - promix general growing soil
Plant age - 4.5 weeks veg
Nutrient solution- botanicare organic veg
feading cycle - only feading nutrients when plant shows it needs it an average once every 5-6 days
ph- water going into soil 7.6 ( i know it is high)
-water comming out of plant when given a flush 5.6 ( dont understand that)
if you need any more info dont hesitaite to ask.....