What is your experience level? (first timer, novice, experienced...)

Your Equipment:
.1) Type and wattage of lights. (MH, HPS, CFL's, tube fluorescents, LED's) 1000w Lumatek w/ 1000w Hortilux Blue
.2) Distance from tops? ~12"
.3) Reflector type? (cool tube set-up, bat wing, enclosed reflector, bare bulb...) Magnum XXXL
.4) Is there a consistent fresh air supply? Yes
.5) Do you have an exhaust fan and a circulation fan? Yes
.6) What are the bulb wattages, kelvin ratings, and schedule? On 18/off 6

Your medium:
.7) Specific brand and type of soil, (coco, peat based soilless...) and anything you've added to it. (vermiculite, perlite, worm castings...) NFT Hydro sytem. Using mostly all AN nutes listed on the nutrient calender
.8) Size of container. 27 gall
.9) Did you use peat pucks (or similar) to root clones or germinate seedlings? No

Your nutrients and water:
10) Source of water? (tap, bottled or filtered) What's it's ph before adjusting? Tap water...pH of 6 before adjusting. ~60ppm before adding nutes
11) Method of checking water ph. (ph pen, test strips, aquarium test kit...) pH pen
12) Method of adjusting water ph. (phosphoric acid, white vinegar, hydrated lime, PH Up...) Ph up and down
13) Specific brand and N-P-K ratio for each bottle. List dosages (quantity per gallon) and current feeding schedule.
14) How often are you watering between feedings, and how much per watering? I add about 8 gallons every week
15) Any additives or tea's? (Superthrive, CalMag, molasses, Mother's Earth...) Mother Earth
16) Are your ph levels stable, or do they fluctuate? Stable
17) What is your ingoing water's ph? ...your runoff ph? Same...6.5
18) Do you foliar feed? If so, with what, how often, and at what time do you spray? No

Your growroom:
19) Indoors or outdoors? Indooe
20) What size of closet, room or hut? 7x4'
21) What are the temps and humidity levels while lights are on? ...With lights off? ~80 when on...~74 when off
22) Have you seen signs of insects in the growroom? No

Your strain:
23) What strain are you growing? (Indica dominate or Sativa dom?) OG Kush
24) From seeds or clones? Clones
25) Is this an autoflower strain? IDK

My real problem is that I am getting a little mold on my roots. It is white and is right where the roots come out of the baskets and droop int the water. Any ideas? Please help me solve this prob...I am about ready to switch to flower and want to solve this first
bharv2003 Reviewed by bharv2003 on . Problem: White mold on roots What is your experience level? (first timer, novice, experienced...) Your Equipment: .1) Type and wattage of lights. (MH, HPS, CFL's, tube fluorescents, LED's) 1000w Lumatek w/ 1000w Hortilux Blue .2) Distance from tops? ~12" .3) Reflector type? (cool tube set-up, bat wing, enclosed reflector, bare bulb...) Magnum XXXL .4) Is there a consistent fresh air supply? Yes .5) Do you have an exhaust fan and a circulation fan? Yes .6) What are the bulb wattages, kelvin ratings, and schedule? Rating: 5