hydro doesnt yield more than soil, the growth is just faster.
hygro= RH or relative humidity
your feed frequency is too much IMO , when you water, your pot should be half weight, overwatering is a common issue with rockwool and lead to disaster(root rot ,pythium,slime)
ph perfect is a marketing shit, theres no ph perfect... best advice I can give you, get rid of Advanced as soon you can and chose a professinal nutrients. Advanced nutrients is just a super pricey, low quality fertilizer and their marketing strategy is to attract new cannabis grower... lot of people start with Advanced and move to a decent nutrient. the truth is... high quality nutrients are not expensive!!!
you can convert your ppm to ec if you know the conversion factor of your ppm meter. in general factor are .5 or .7 so
[email protected]= 1EC
[email protected]=1EC etc...
dont forget to clean your pump!