Yellowing of buds!

First off I want to apologize if this has been posted before. I'm fairly new to hydroponic growing and have had great success up until now.

There is really bad yellowing starting from the center of my buds growing outwards towards the leaves. I have looked over deficiency guides with no luck. Also if the picture is hard to see I will try and take better close up ones. The fan leaves are so healthy looking and the whole plant has done great in veg and transition into flower. Im currently on week 4 of flowering 12/12.

My setup =
-Growing 2 bubblelious in a 10 gallon tub running a bubbleponics system. Plenty of bubbles in the bottom with water pumping to the top of the hydroton and running down.
- Roots look white and healthy but with a little bit of algae in tank, Im using Hygrozyme to fix that
- Running the general hydroponics flora trio at just above half strength for what it calls for. Not trying to over-feed these plants
- Cal-Mag
-Hygrozyme and Aqua Shield
- I maintain a constant PH of about 5.8 to 6.1 (The PH has been falling drastically and I keep having to PH up it once a day.
- I'm running about 810 to 890 ppm
- Using the Pro-Grow 400 LED grow light and it has been amazing, well worth the money. I have it set at 19" from tallest plant

I greatly appreciate yalls time! I love doing this and hate to see these plants die off. But its a live and learn thing sometimes I guess!

PH falling is either root pathogens, or overfeeding.

kinda looks like bleaching. light real close?

The light is 19 inches away from the tallest plant. Heard keep in between 18 to 23 inches for real powerful LEDs

led, prob. not bleaching, lol....sorry

raise ur led's up to 25-30 inches if this doesnt help i dont have enough knowledge of led's to help u.

Well the yellowing is happening on the middle sets of buds. The tops are still looking good. There's a few top buds where the hairs are turning orange reddish already and its only mid flower

Its a distinctive bright bright yellow

If you can, take a picture using the flash immediately after lights out (and then get out of there so as not to disrupt your dark cycle any more than you have to). That will help people see the symptoms. I'm soil and HPS, so no help at this point, sorry.

OK I will get a better picture that doesn't have that blinding LED beaming on it.

Looks like a pathogen issue. Yellow new growth and its a very serious problem. Get some H2O2 in there.

I just put a little bit of h202 in there to bump the oxygen up in the water. The roots do look a very light color brown but hard to tell if its root rot.

Here are some more pictures. I really appreciate all the advice. I also took pictures of one of the mid-flowers with half red and half white hairs which is pretty weird.
Thank you all for your time

waverocker said:

I just put a little bit of h202 in there to bump the oxygen up in the water.

Click to expand...

use a pump, and a wand.

I have 2 air stones per tub, there's bubbles everywhere