BIIIIG PROBLEM !!!!

as u can see i posted first time yestarday. i went to the girls today and got this:Attachment 294123 ,some type of brown stuff on all of them, on leaves and some buds to. From last monday i gave them Big Bud and Canna Flores,like this: monday-tuesday-wensday, bud and canna , thursday water ,friday-saturday ,bud and canna, sunday nothing and monday again bud and canna. today i gave nothing. today pb... i made dosage like this: From Big Bud i put 2ml/1L and Canna Flores 5ml/1L just as they say u should. i think might be overdose couse in 7 days i used them 6 times !!! i wait ur replys and wth to do.....ill link more pictures made today regards
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