Slightly rough start, do these look okay?

I had a really weird issue with my dwc ppms increasing every day for a somewhat unknown reason. 5 days after transplanting them into the net pots, I decided to do a full system water change with 8gal distilled water and one gal of fridge filtered water. Added back 10ml ea of the gh nutes and 50ml of h2o2 just to kick start the DO and make sure water is clean. One plant is growing faster but leaves look a bit light. The other is slower but greener. Both using the same recirculating nutes. Is this normal?
 

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