white powder mold

white powder mold , I think I see white powder on a couple of leaves, 45 days into flowering any suggestions

increase airflow, decrease humidity.

I have had the same problem with white mold on the leaves,about 5-6 weewks into flower,indoor!,and my temp and humitity,are both good,70-75 and dry,but the mold on leaves remain,many grows and never this prolem,and would also like to hear any sugestions for remidy,baking soda?