Yellow tips

This is my first grow. What is causing these tiny yellow tips on the leaves.

Possibly zinc deficiency.
Take a look at this chart.

Dedhed60 said:

This is my first grow. What is causing these tiny yellow tips on the leaves.

Click to expand...

Looks like a bit of nutrient burn to me.

girls are looking good

IMHO....tiny yellow tips are nothing to worry about...it just means you have the pedal to the metal (in terms of nutes being applied).

The overall health of your plants looks good....no worries

What have you been feeding? People are quick to point to a deficiency which may well be the case but the cause of the deficiency might not be from a lack of nutrients but from an overabundance of nutrients which can cause nutrient lockouts. The symptoms of a deficiency or lockout can appear the same. That's why you need to provide more detail regarding your grow. Nutrient strength and feeding schedule specifically.

"The overfeeding of any plant food can cause nutrient deficiencies."

xtsho said:

What have you been feeding? People are quick to point to a deficiency which may well be the case but the cause of the deficiency might not be from a lack of nutrients but from an overabundance of nutrients which can cause nutrient lockouts. The symptoms of a deficiency or lockout can appear the same. That's why you need to provide more detail regarding your grow. Nutrient strength and feeding schedule specifically.

"The overfeeding of any plant food can cause nutrient deficiencies."

Click to expand...

Not feeding any bites. Just using living soil.

Dedhed60 said:

Not feeding any bites. Just using living soil.

Click to expand...

Nutrients

I also think that this is just the plant riding the edge of toxicity. Looking good

Probably copper or another micro mineral

I agree with some of the above...you're skirting her close to the edge of 'too much'...but don't stop what you're doing; it's where you want to be, if you can manage it. Otherwise, relax and good luck.

How did they end up looking? potentially looks like nute burn, but if look at the yellow tips how they continued to yellow further down past just the leaf tips it is more likely a deficiency.
mild nute burn usually yellows just the tips and burns just the tips brown but doesn't progress down the leaf unless you wrecked them.

if you look at the new growth it is very pale and is contorted and very thin, leads me to think zinc like
@Nickcg123 suggested.

Zinc deficiency: yellowing tips, progresses into yellow/pale leaf margins on the newer growth which become small,thin and twisted.
tap water generally has enough zinc to avoid a deficiency so its more likely other causes. Zinc deficiency can occur from excess phosphorus, extreme PH and stressors such as over watering cold soil and transplant shock. Most of the issues you can fix simply by giving straight water and ensuring your growing medium drys out sufficiently between watering, give it a week and the plant will very likely work itself out and you will notice it recover from the deficit.

I had a wedding cake pheno that if i wasnt careful how much water and nutes i gave her access too during transplant would have a hissy fit and stop drinking, yellow tips then the margins of new growth would go pale. wrinkled leaves and contorted new growth. I got some chelated zinc from a buddy of mine who is a chemist, he used it for some crazy galvanizing process for motorcycles he built. Foliar sprayed against a control. Bam 2 days later the ones i spritzed were fucking killing it again and the others looks crinkled with leaf margin chlorosis. However I left them alone and did nothing but let them dry up before straight water and they fixed themself in a week.