the first pics date's are a week off, i fixed it in dec.
the last pic of a leaf, is ph fluctuation. mine went to low, just got a ph pen last week. 100x easier than those drops. i.e. each rooms lights give the liquid drop mix a different color, makes things annoying.
my plants are taking up about 1 gal of water a day, i add 1 1/2 ph'ed water every other day, no new nutes till rez change every fri