Help! DWC CFL micro grow. White/yellow blotches

[Nuggalore]

Details...
6- 23w (100w replacement) cfls. 6500k
1- 100w HPS
Day 43 from seed
GH 3 part nutrients
Hydroguard
DWC in 2 gal buckets
Ppm- 400-500
Distilled water
pH- 5.7-6.2 usually sits at about 5.9 or 6.0
Temp 70-81F. Sits at 79-80 during day and 70 at night
RH- 40-50%
Res temp - 72-73F

2 gorilla glue #4 and 1 sunshine daydream

I've already did a flush a few days ago and lowered the ppm to 400-450. The previous week was 700-800. Next week is start of transition.
What are the blotches from? Should I be worried?

 

[WeedBulbs]

Inspect your roots, if they are healthy... I don't see a problem that you should worry about.

 

[Nuggalore]

Inspect your roots, if they are healthy... I don't see a problem that you should worry about.

I'm pretty sure they are healthy. A little stained from the nutes but white or yellow for the most part

 

[Nuggalore]

This was before I flushed. They are bigger and better now

 

[WeedBulbs]

All looks fine to me.

 

[Nuggalore]

T

All looks fine to me.

Thanks!

 

[Dan can grow]

If anything try and maintain level ph between 5.5 - 6.5

 

[Gregor Eisenhorn]

This was before I flushed. They are bigger and better now

Nugglelore so you're saying once you lowered the ppms everything went back to normal and good growth resumed?

I was having slow growth for some time and the ppms were at 800 (3 week old plant DWC) and I llowred the ppms to about 500 now, I hope she'll recover.

 

[Nuggalore]

Nugglelore so you're saying once you lowered the ppms everything went back to normal and good growth resumed?

I was having slow growth for some time and the ppms were at 800 (3 week old plant DWC) and I llowred the ppms to about 500 now, I hope she'll recover.

Yes. The ppms started off at about 750-800. Since I'm using only 6-23W cfls and a 100w hps they couldn't take that much. Once I lowered it down they did pretty good. What nutes do you use?

 

[Resinhound]

Im not an expert on dwc but im pretty sure you want youe res temperature lower than that,more dissolved oxygen and less chance for harmful microorganisms to proliferate...those white blotches on the leaves look like root damage to me

 

[Gregor Eisenhorn]

QUOTE="Nuggalore, post: 12393915, member: 925718"]Yes. The ppms started off at about 750-800. Since I'm using only 6-23W cfls and a 100w hps they couldn't take that much. Once I lowered it down they did pretty good. What nutes do you use?[/QUOTE]
I'm using the basic General Hydroponics 3 part flora series. My plant is growing but not as fast as it should be. Maybe a few more days...

 

[GemuGrows]

Looks like a leaf brushed up against some CFLs for too long

Overall they look very good though I wouldnt worry unless the roots look brown and rotting (which I highly doubt)