spotting on leaves. +rep for help

tommy gibbs

Well-Known Member
i seem to have this ongoing problem with the leaves where they spot, get more spotty, then die. im on day 13 of flower, i water with distilled purified water. any ideas?
 

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Jobo

Well-Known Member
Check the marijuana plant problems section. Youll find more help there. I think its a defficiency of somekind. Probably phosphorous or potassium.
 

KaliKitsune

Well-Known Member
That is a whitefly or spidermite problem. I'll bet more on whiteflies, as I don't see mention of webs all over the leaves.

Soapy water spray, keep that up two or three times weekly for two weeks.
 

tommy gibbs

Well-Known Member
its not bugs. i should have mentioned. theres not a single bug ever. never saw one and i looked super close many times. a deficiency? it kinda looked like maybe burning? or maybe a ph problem
 

tommy gibbs

Well-Known Member
hmm, any nutrient recommendation. im using humboldt gravity now, low amount though. is there any product at homedepot or wal mart that would help
 

diggitydank420

Well-Known Member
It is either a Calcium or Magnesium deficiency. One can lock out the other, so it's like a see-saw with those nutrients.

If you are using tap water, it is most likely a magnesium def. caused by the high calcium content of most tap water... correct it by adding 1 tsp of epsom salt (you'll find it in the pharmacy section at the grocery store) per gallon of water.
 
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