First grow How am I doing (pics) Hydroponics

My first grow from seeds (Cluster Bomb, Northern Lights, Chunky Skunk, Auto-Blueberry, Auto LA MUSA, and a few more) just wanted to make sure I'm on the right track for a successful crop. My Auto flowering plants have already started to show signs of buds.Using 1000 watt HPS, very few nutes, pH 6.0-6.2, just started 12-12 light cycle July 4th. Am I doing right?
 

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