What nutrients and in what amounts did you add to your res per gallon? Are you supplementing calmag?
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I am using the Flora series, I added 1/2 tsp/gal and I’ve got a 14 gallon res for those three… and then I did 1tsp/gal calimagic. I’m thinking because they’re autos I need to take down the nutes but with the spots… idk what’s going on there.
@Bogleg uses Flora series and could let you know if that’s enough. I’m thinking you’re a little light on the calmag in hydro
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Even with it being an auto?
Half strength would be 1.25ml per gallon so up it to 1.5-2ml would be my suggestion
Matty I am using 1 TSP/gal CalMag which is 5ml per gallon. And nutes I’m using 2.5ml/gal.
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Gotcha. I read that wrong then, my fault.
Is your plant going through a lot of water?
What is your RH and temp?
I never go above 5ml/gal on Calimagic… I usually start out at 2.5ml then by mid-veg I am up to and stay at 5ml/gal. I only use the Micro and Bloom nutes, and normally run them at 2ml/4ml in early veg, 4ml/8ml after two weeks in veg until flower, then 8ml/16ml for late veg and all through flower. Calimagic and Armor Si at 5ml/gal for the entire grow except the first month.
During flower I add in Liquid Koolbloom.
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Current RH is 50% and current temp is 76F. It’s not going through a lot of water, I maybe have to top off once during the week. I change my res weekly. I changed res Sunday with new nutes: 2.5ml of Micro, Bloom, Gro & 5ml CaliMagic. This is almost week 4 now, I think it’s late veg? I’m not familiar with the stages quite yet esp growing autos. I’m still doing 18/6 too. First two weeks I was hand watering until the roots reached down fully and was also running Rapid Root Start.
The spots pictured above are only on my Sweet Tooth 
maybe I have an excess of K?
UPDATE: My plants are quite big now… I changed my nutrient ratio the the same above. Just using CalMag, Micro and Bloom 3/4/8 and a little LiquidKool as they have begun to start the flowering stage.
I am seeing a bit of curling leaves on/around the bud sites and now there are a handful of leaves with white spots that almost look to glisten a little.
What do you guys think?
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What do you think @MattyBear @dbrn32 @blackthumbbetty @latewood i am not a hydro grower but i am sure these guys and girls will help you out.
What are your temps?
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Definitely not a hydro grower. But I’d be curious as to what temp and humidity are like? Also water temps if this is hydro setup?
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Twisting leaves is usually a sign of something off at the roots. More info would be helpful 
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Sorry, I’m not a hydro grower, either.
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Reservoir water temp, airation, water level, water source… ?
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Water temp is 69, temp is 76, RH is 47 currently.
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And your PH and PPMs?
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Also, what kind of lights are you running? And how far are they from the plant(s)?
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