Ok I will give them a flush tomorrow and see what happens. How many gallons of water should I use? This is the first time I have used such large buckets. And as for the soil, it is 100% organic. I am not sure if it is a strong mix, I have used it before with good results. They have a whole line of soils. here is the link....

Bar Harbor Blend Premium Potting Soil
rossee Reviewed by rossee on . 33 days into flowering, strange spots. nute burn or possible deficiency? Pic's. Hey folks, I just noticed these spots today on BOTH plants. They are mostly on the top fan leaves. I had problems earlier in this grow, corrected it and for the last 5 weeks things have been going good until now. Here is some more info and pics. What is your experience level? (first timer, novice, experienced...) Novice. Been at it for a few years. Your Equipment: .1) Type and wattage of lights. 90 watt LED + 2 x 42 watt cfl .2) Distance from tops? A few inches Rating: 5