Hi, Im helping a friend with a setup I made for him.

For some reason there is a bad yellowing problem. This problem has been here from very early on as seen in the last photo. Early on we tried to treat this with calmag +

I normally don't post much and searched and searched with no results similar.

-These were flowered early, like 6-8" then 12.12.
-White Rhino x2 & Northern x Haze
-GH 3 part Lakewood Formula, on 0,1,2. 1200ppm total 6 gal
-Brita Filtered water ph5.4. Could chlorine be bleaching these plants?
-CalMag+ and KoolBloom in Topoff water 500-600 ppm total
-Digital TDS & PH meters always calibrated every week
-5 gal bubbler buckets w bucket top baskets
-1000k HPS hortilux cool tube - 6" Vortex exhaust, Thermo controlled cool intake
-10-25% Humidity 50-55 degrees lights off 60-65 degrees lights on

Please help me, thanks for your time
DrGreenBean:rasta:

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I don't grow anything what so ever.
DrGreenBean Reviewed by DrGreenBean on . White Rhino, NLxHaze Serious Yellowing! Please Help Hi, Im helping a friend with a setup I made for him. For some reason there is a bad yellowing problem. This problem has been here from very early on as seen in the last photo. Early on we tried to treat this with calmag + I normally don't post much and searched and searched with no results similar. -These were flowered early, like 6-8" then 12.12. -White Rhino x2 & Northern x Haze -GH 3 part Lakewood Formula, on 0,1,2. 1200ppm total 6 gal -Brita Filtered water ph5.4. Could Rating: 5