Hallo guys I need help I have clones and they have weird burned leaves and I don’t know what that means. I have searched the whole internet and don’t know how to solve this problem.
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Answer these simple questions the best you can.
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NA (non applicable)
-What strain, Seed bank, or bag seed (photo or auto) clones
-Age of plant 1 month and 1/2 week
-Method: Soild
-Vessels: Type and capacity of container (fabric, plastic, etc) plastic
-PH and TDS of Water, Solution, runoff (if Applicable) ph 6.2/6.5
-PPM/TDS or EC of nutrient solution if applicable 2.0
-Method used to measure PH and TDS. Na
-Indoor or Outdoor if indoor, size of grow space indoor build own room
-Light system List brand and wattage/spectrum
Luckygrow 6x universal 330w
-Actual wattage draw of lights. 330w
-Current Light Schedule 12-12
-Temps; Day, Night 26-23/22 Celsius
-Humidity; Day, Night. 40-40
-Ventilation system; Yes,
-AC, Humidifier, De-humidifier, humidifier
-Co2; Yes
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Hello @KonradGrow it looks very similar to ‘painted nail’ which is typically associated with excess N during feeding I believe. If so a good flush could remove any excess supplements in your container.
Just a thought but some others will be here soon to weigh in. 
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What size pots are you using and how much water are you using at a time to me this is a sign of over watering
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Pot size is 24cmx24cm and 28cm length
Watering 1L in 3/4 days
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Sorry how many gallons of soil does your pot hold and 1 litter every 3 to 4 days?
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its says 11L soil that is 2.9 gallons i think, yes 1liter every 3 / 4 days for 1 pot.
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11 liters is roughly i believe 2.5 gallons and are you allowing for run off and what kind of nutrients are you using
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i dont know what you mean (are you allowing for run off) and i use a ferro. and i use this schedule
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Run off is the water that comes out from the bottom of the pot when you water also when using synthetic nutrients its required to allow for 10 to 15% run off so that you dont get salt build up in the root zone if you have salt build up it can lead to a slew of issues
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Do you test your run off at all for ph or ppm?
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No but next time i will do.
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Definitely do it allows you to keep tack of the values in the root zones with soil always ph to 6.5 -6.8 ypu want your run off ph and values to be very similar to what you watering in
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