Grey leaves curling upward

hey guys I started having an odd issue with my mother plant. starting from the bottom up to almost the new growth now the tips of all leaves turn grey begin to curl upward until the entire leaf turns grey.

the plant is 6 months old in a 5 gallon pot with happy frog soil. pH is 6.0. using canna nutrients in RO water I pH the water to 6.0 as well.

any ideas on what could be happening? some kind of disease maybe?
 

cdd10

Well-Known Member
Idk but with root rot the plant turns white maybe you have a form of root rot?
 
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