I think they're looking really sexy.

Aim for a PH of 6.5! You can raise your PH using baking soda and lemon juice will lower it, or you can get some PH up and PH down from your local hydro store and just add a few drops at a time

I think 7.0 is a bit high, here's a chart.

How close do you have the light?
How many watts?

<3 bro.