Whats wrong with these plants?

I've been battling pH issues...the pH keeps wanting to climb so I have had to keep adding pH down to keep it around 5.2-5.8. I had to do a nute change within 9 days because my TDS readings were off the scale. I'm using GH 3-part and cal mag.




I'm hoping the nute changed helped...the newer leaves look ok so far

I have one plant that is unaffected and seems to be doing fine

looks like mites at a first glance, but the high ph is telling me that you have a calcium problem. you need to keep your ph under 6.2 or calcium will be locked out (i think that number is right, i'll double check in a minute)

kp

Here's a closer pic:

looks like a severe ca deff, probably from lockout. i could be mistaken, i can't find a pic that matches perfectly.

fix the ph, and it should fix the problem.

kp

weird patterns. I would think fungus or some kind of other growth would make those patterns. But then again, I have never seen fungus on weed plants.

Do you have one of thos 60X-100X microscopes from radio shack? If not get one, and look real close at one of your leafs and see what is going on, up close and personal.

try getting a little bit more powerful pump

Hi there Kugine,

Did you figure out what that was? If not, could you get a close up shot. Maybe even put a magnifying glass over your camera if you need to. I am dieing to know what that was, or is.

chabnock said:

Hi there Kugine,

Did you figure out what that was? If not, could you get a close up shot. Maybe even put a magnifying glass over your camera if you need to. I am dieing to know what that was, or is.

Click to expand...

We think it was calcium lock-out from me keeping the pH too low. I was trying to maintain 5.2 but since I moved it up to 5.8 it seems to have eliminated the problem. The old leaves never returned to normal but all the new leaves look good now.

very cool.