Yellowish spots on just 1 of many plants.

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This is my baby girl strawberry nuggets on day 24ish.

Shes in biobizz lightmix, currently being fed 2ml biobizz grow. 1ml calmag... (per lt) she gets foliar sprayed with algamic once a day.
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Shes under 250whps cooltube. Temps about 27c lights on 24c lights off. Humidity about 55%.

Ive noticed these yellowish spots all around the plant. No other plant has it on them :(
 
Problem: yellowish spots around plants.

Medium/grow method: biobizz lightmix soil

Feed: and supplements used: she gets fed 2ml biobizz grow and 1ml calmag.. ph range from 6.3-6.6

water source: tap water left out 2hr.

Strain/age: mephisto strawberry nuggets day 24ish

light used: 250w hps cooltube.

Climate: At peak it could reach 31c but only a couple hours then usually stays from 24-27c.

Ive noticed it appearing a couple days ago on the lower leafs. But has spread closer to the top past day or 2.
 
Are your feeding dosages per gal or litre? Foliar feeding every day may be to much and could cause those spots.I would hold off spraying them for a week or so and see if that helps.
Thanks for the reply! Dosages are per litre. I did also have a humidifier on the go but have since turned it off and humidity is sitting about 40-45%. temps from 26-28c. Ive stopped the foliar feeding since reading up on leaf septoria :/ hope she hasn't got that.
 
Thats not septoria. But the general color of those leaves tell me she's eating well. She does not need the foliar being that well formed and evenly dark green. Cheers.
 
Thats not septoria. But the general color of those leaves tell me she's eating well. She does not need the foliar being that well formed and evenly dark green. Cheers.
Appreciate that rev cheers! Abit comforting. Any idea what it could be? Should i cut the damaged leaves of? My other plants seem to shows signs of the same but not as severe.

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