what could this brown spot be?

navyfighter04 said:

Glad to hear it.....Keep us posted......Mag def. can take a bit to go away. But as long as your new growth is good, then its all good......

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yeah new growth is looking good. both of my autos are getting pretty hairy now, another month and a half or so and i think they will be ready. then ill start 12/12 on the widows