anyone have any idea as to why on all of my acros all of a sudden (last month or so) i am getting little blotches/white loss of flesh like something is eating the flesh off. on some its at base,others just a speck half way up. my ph is fine,water is fine. this has just started,i thought it was red bugs,but nope thats not it.looked for something maybe eating them,cant see anything.give me some ideas as to why.