I was having to replentish my water every day the last couple of weeks. Suddenly, it just stopped drinking and the water level has barely changed in 3 days.how do you know its nute lock? do you have any pics? i ask because i am right with you. i gots a purple kush 4wks into budding. its my weekest plant. and i have brown lines in between the margins of the leaf. you got anything like that