My poor clone is yellowing and browning on lower leaves help!

Well my clones are about 4 weeks old.
Ive noticed the the leaves on one of my clones are turning yellow and getting some brown spots/holes.

I want to switch to 12/12 next week but i want it in better condition before I do that.

What type of medium; Soil
What brand and type of soil? FFOF
Indoors or outdoors? Indoors
What strain? Grape Ape
How old are the plants? 4 weeks
What type of lights and how many watts? CFL 6 27w 5000k
How far from the lights? 4 inches
What is your watering frequency and source of water? about every other day or every 2 days depending on dryness
What, how much and when was it fed? Nothing just neutral PH water
What is the medium/runoff pH and PPM if in hydro? about 6-6.5
What are the temps and humidity in the room? temps 83-88 lights on and 73-80 lights off
What size pots? 1 gallon smart pots
Any bugs? No bugs
Any other pertinent info? I PH shocked them about 2 weeks ago by adding 6.5 water and the run off was at like 5.5-6.0
it made the leaves grow funny

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It could be PH shock but I doubt it. Give them some nutes, you're probably starving your plant of nutrients. It could also be potassium deficiency or something along those lines. Lay off the watering just a tad bit, let the soil dry out thoroughly but not desert dry.

yea thats what im suspecting. I'll time give it some nutes next time i water her down. Hopefully she grows alot faster after that.

Think shes too small to start flowering?

it will be a little yield if u whent to 12/12 with that strain wouldnt u like to get a great big yield. if u are not afraid of the smell u could veg them for as long as u like but u will wanna get a HID like a High Pressure Sodium and keep those temps down to get that fuck awsome purple color that come with the grape ape. i love that stain and once u turn to 12/12 the buds will be huge with the right nuts and a little co2 get some of those ezofizz pukes they work fine. yea man u need to get some nitrogen in there. other than that u have every thing covered

Thanks mt! I'm gonna give them some nutes next time I water for sure.