Got problem with my leaves i think nutrient burn :(

Hey,

so these clones are 3 weeks old now about to start the fourth week. First week they started off at 500ppm, then went to 600ppm and now its at 700ppm. As soon as i bumped it to 700ppm i got nutrient burn on the end of the leaves so i cut the watering from twice a day which was a little over kill to once in the morning.

After i did this i got no more yellow around the edges of my leaves and the vigor and health seemed to pickup however i did trim some of the bottom leaves that were discoloured i think from nutrients splashing upon bottom leaves.

I am using pura vida nutrients bloom and grow with a small helping of thrive alive b1.
I noticed the past 2 days the bottom leaves on the plants have turned compleatly yellow and are shriveling up and that some of the leaves on the one plant seem spotted and discoloured.

I am thinking nutriend burn but since the original leaves spotted and turned yellow on the tips a bit i watered down the soloution and its back at 550-600ppm and should be fine. the wierd thing is not all plants are rewacting the same the four clones have 4 different reactions could it be unbalenced watering?

lemme know because ive been reading up on different deficiencies and im coming up scratching my head other then 2 full days of no nutrients and flushing the plants with water and possibly the soil mixture has hotspots of nutrients and is burning them.

thanks for any advice guys!


PICS

I just checked ph of my nutrient solution and its at a perfect 6.98 and i then took a bunch of soild out of the pots and mixed it with some solution in a cup and took a measure of 7.34 which shouldnt be too bad but i think a water flush is in nedd for sure and im dyin for another week of growth before i swap to bigger pots and miracle grow potting soil with a bottom layer of lava rocks. I am currently using the hp pro mix i got with the clones when i picked them up off buddy.

bumpity bump

6.98 is still high and 7.34 is way to high.

You are giving them nutes, so it is probably a lock-out from the PH being to high.

When you swap them to MG soil and your PH ends up at 5, I'm sure you'll be back lmao. Pro Mix is good stuff and already has lime to fix the low PH of peat moss. Apparently the lime is working to well and you need to drop it more.

Another thing. You should only be watering when the pots feel light. Even once per day may be to much if they are not getting a chance to dry out.

As the poster above already said, get to 6.5 and see what happens.