What's wrong with my og kush?

What's the deficiency here and what should I do first time growing og kush any help is appreciated

Please tell me it's not spider mites?

DNA genetics amsterdam said:

What's the deficiency here and what should I do first time growing og kush any help is appreciated

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hard to see but looked like spots showing up on older fan leaves, I don't have a lot of experience but i ran into this on two of my plants, I treated as a CaMg deficiency. I was using RO water in soil. Switching to city tap cleared it up, although leaves that got a lot of spots dried up and died. Good luck. My plants have og kush in their lineage.

Looks like mite damage, check the underside of leaves.very closely.

my guess would be spider mites

Yup it's spider mites what's the best way to get rid of these fuckers?

Tea tree oil

OG Kush is spidermite food! Those bastards love this strain. Unfortunately unless you get something like AVID that will kill the eggs, all hope is lost. You can spray your plants under the leafs with a pump sprayer with every remedy there is, all you will do is take care of the active/alive mites. The eggs hatch and your right back at it. I grow OG and love it but I found out the hard way to keep those bastards out of my garden. Copied from here:

https://www.rollitup.org/t/mites-and-how-to-rid-yourself-of-them.488222/page-10

I'll chime in now that this thread has been raised from the dead. I battled them in the past but have come to the conclusion that they come into your grow two ways. You bring them in in both manners. One is clones from another grower, the other is from your clothing. After battling them a few times to no end might I add, I cleaned my rooms and all the equipment with bleach and water. Since then I never get clones from anyone and only pop seed which is why I got into breeding my own plants. Secondly I never go into any of my rooms with clothing that I had on from outside the house, I keep a cleaned pair of clothing to wear in my grow rooms and it stays in a plastic bag outside the rooms. Since taking these precautions I have yet to see one mite or any other pest for that matter. Thrips weren't to tough either, just had to make sure the grow medium dries out fast enough which also helps boost root growth.

Indoor Sun King said:

my guess would be spider mites

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I have been tortured by spider mites to the point of shutting down all growing and leaving heat on to hatch any last egg around for a couple of months!!!
So I started clean and all was good until I noticed same as spider mite damage on a couple of vegging plants obviously I was worried that efforts had not meant anything and that I still had mite!! But all was well I have had some sort of pest that does the same damage as mite but on a much smaller scale that has literally no effect simila4 to spidermite and soon as I blast them in flower the pest cannot withstand the intensity and dies off. What I’m saying is there are many pests that suck cells out the plant and have similar effect to mites but before bombarding plants with mite killer which I don’t blame when necessary just make sure they are them fuckerrs before doing it because these pests done nothing so I kept it 100%organic