what should a Promix Soiless medium ph level be at during bloom cycle?

kingofqueens

Active Member
I am using Promix soiless medium and have had a ph of 6.5 for veg. now that i am bloom i see a lil yellowing. is my ph too high?
5 weeks old
1 week in bloom
in 3 gallon pots
bontanicare bloom organics
1000 hps
80 degrees
 
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