Identify if this is a deficiency or nute burn

My sour diesels are in their 8th vegetative week. They were planted in the ocean mix from fox farms. They only get phd water and cal mag. I can’t tell if this is a sign of nutrient burns or some deficiency. It’s only happened to the four lower leaves.

After 8 weeks your girls need food. Probably magnesium deficiency from what I see here. I’m no pro though so wait for others.

Edit: probably not magnesium if you’re giving calmag.

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It looks like a deficiency to me i just cant remeber which one though .i just had a look on YouTube it looks like a potassium deficiency boost ur potassium,get some banana skins and cucumber skins and make a tea for ur plant both the banana skins and cucumber skins have potassium and phosphorus in them put the skins into a ten ltr bucket fill with ph water and bubble it with a air pump for 24-30 hours then give to ur plant

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Quick Visual Guide to Nutrient Deficiencies in Cannabis - YouTube have a look at this YouTube channel

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Give her a good feed if you haven’t already.

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Always good to have around


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