I think the sugar and yeast was mixed in separate container to make CO2, right?

Maybe the holes in the leaves are from bugs

Make sure that ph doesn't get higher than 6, better off having it from around 5.2 to 5.9 for best nutrient uptake.

Also might want to look into CalMag+ since you are in hydro and using distilled water http://boards.cannabis.com/hydroponi...lmag-plus.html:twocents: