Plant not looking good

So I have a Crystal Meth auto by Fast Buds and it seems to have many problems, first it developed clawed tips. I stopped dosing N for 2 waterings and only watered and it improved a little but then I added N again in a product called C4 by Mill's which says:

Mills C4 is a complex feed supplement comprised of nutrients, stimulants, minerals and carbohydrates. C4 promotes the production of natural oils and sugars in your plants, encouraging an explosion of bloom in both flowers and fruit. Fruits and vegetables will be denser, harder and heavier when you incorporate Mills C4 into your plants feeding programme.

Stimulates the production of essential oils and sugars
Enhances vitality
Promotes plant growth
Composition:
Total Nitrogen (N): 0.5% w/w
Phosphate (P2O5): 3.9% w/w
Potassium (K2O): 2.6% w/w

Anyways, this C4 product was added at the right stage and all my other plants look perfect, I'm not testing for PH nor have +- ph products, nor am I buying for the moment as the other plants look fine and I don't have $$$

This plant has 3-4 weeks to go for harvest, it seems it is suffering from N poisoning/PH problems and the leaves have tiny rusty spots (not big ones) calcium deficiency?

I have just prepared calcium water with eggshells, I will flush it with it and leave the eggshells on the soil. Any other advice? It seems like the buds are not fattening up due to this problem.

Just give it water for a while and stop waterings til it dries one time. Plant so small needs a gallon of water with maybe a top of base nutes don't go power feeding it anything no matter what the label says.

PS it's in Vegas there's no essential oils for it to produce.

Captain Plank-Eye said:

Just give it water for a while and stop waterings til it dries one time. Plant so small needs a gallon of water with maybe a top of base nutes don't go power feeding it anything no matter what the label says.

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What do you mean until it dries one time?

L

Lmao sorry dude I didn't see there's a bud on that thing. I ate this hash pill earlier and must have trusted my eyes wrong. Forget everything I said and wait for the next guy to reply. .

Okay, I will, I have just watered it with the eggshell water until lots of it came from under the pot and now I'm gonna let it dry for a while, you are right about the size, the other ones grew more because this one got stunned but I've been feeding it as much nutes as the others which is probably not a good idea.

Captain Plank-Eye said:

Lmao sorry dude I didn't see there's a bud on that thing. I ate this hash pill earlier and must have trusted my eyes wrong. Forget everything I said and wait for the next guy to reply. .

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OK, well for now it has been watered with eggshell water and let's see what other guy says.