As of today ICMag has his own Discord server. In this Discord server you can chat, talk with eachother, listen to music, share stories and pictures...and much more. Join now and let's grow together!
Join ICMag Discord here!
More details in this thread here: here.
I think it depends on the water you have there. If you have hard tap water, it might be a problem, hard water has also higher Ph.
If you have soft water where you live, Ph shouldn't be a problem. If the water is really soft, you may have calcium and magnesium problems.
You can check this map https://water.usgs.gov/owq/images/HardnessMap.gif
But it's just orientative.
Keep in mind once you get deeper into flower, she changes focus from the leaves growing to buds. Yellowing and dying of fan leaves is common, and not bad. Just dont want it to happen too soon. For a 8-10 week plant, i figure 6 weeks and later im cool with leaves yellowing...generally.