What should I do for brown spots/patches on my leaves?
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COPY/PASTE the below list into your forum post.
Answer these simple questions the best you can.
If you do not know, or do not use something; Just say so; Or post
NA (non applicable)
- What strain, Seed bank, or bag seed
- Method: Soil w/salt, Organic soil, Hydroponics, Aquaponics, KNF
- Vessels: Pots, Grow beds, Buckets, Troths
- PH of Water, Solution, runoff (if Applicable)
- PPM/TDS or EC of nutrient solution if applicable
- Indoor or Outdoor
- Light system
- Temps; Day, Night
- Humidity; Day, Night
- Ventilation system; Yes, No, Size
- AC, Humidifier, De-humidifier,
- Co2; Yes, No
Always try to upload a clear picture of any issues you may have to allow the community to assist you.
Add anything else you feel would help us give you a most informed answer should be included. Feel free to elaborate, but short and to the point questions and facts will help us help you in a more efficient manner 
Thanks!
Please include a picture of the whole plant in natural light.
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Fillling out support ticket helps greatly. Possibly mag deficiency.
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Definitely looks like she’s in need of some Cal-Mag.
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Yep cal-mag on non feeding days.
thanks, I think you’re right as I had this early on. Also, Ive never seen a support form, where would I find it on web page? Thanks so much, Polly
@Myfriendis410 posted a copy of the support ticket.
Looks like calcium deficiency to me. But more info would be helpful.
Welcome to ILGM AND TO OUR awesome community of awesome fokes.
Here are some pic’s of what you have and then the fix.
A magnesium deficiency, as manganese deficincies are mostly characterized
by interveinal chlorosis which is a yellowing of the leaves between the
veins with the veins remaining green. The browning spots is called marginal
necrosis which is usually caused by a calcuim or magnesium deficiency.
A magnesium deficiency can be quickly resolved by watering with 1 tablespoon
Epsom salts/gallon of water. Until you can correct nutrient lockout, try foliar
feeding. That way the plants get all the nitrogen and Mg they need. The plants
can be foliar fed using ½ teaspoon/quart of Epsom salts (first powdered and
dissolved in some hot water). When mixing up soil, use 2 teaspoon dolomite lime
per gallon of soil.
If the starting water is above 200 ppm, that is pretty hard water, that will
lock out mg with all of the calcium in the water. Either add a 1/4 teaspoon per
gallon of epsom salts or lime (both will effectively reduce the lockout or invest
into a reverse osmosis water filter.
Mg can get locked-up by too much Ca, Cl or ammonium nitrogen. Don’t overdo Mg or
you’ll lock up other nutrients.
Calcium deficiencies are difficult to distinguish visually as excess calcium may
produce deficiencies in magnesium and potassium.
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