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Satori Problem

bobcat1963

Parker Schnobel
Veteran
SOIL:

How long has this problem been going on? A week
What STRAIN are you growing? SATORI
What was the establishing technique? (seed or clone?) clone
What is the age of your plants? 12 weeks
How long have they been in the soil mixture they are in now? 4 weeks
Were they in the same mixture when they were seedlings/smaller plant? If not, what mixture were they in before? No,farm compost before
How Tall are the plants? 4 feet
What PHASE (seedling, vegetative or flower) are the plants in? 4th week of flower
What Technique are you using? (SOG, SCROG etc)none
What size pots are you using? (Include how many subjects to pot)1 plant per pot 3 gallon
What substrate/medium are you using? What brand of soil mixture are you using?(percentage of perlite, vermiculite...etc?)fox farms ocean forest
What brand Nutrient's are you using?pure blend pro
How much of each nutrient are you using with how much water? *Knowing the brand is very helpful*pure blend pro 1 tbsp gallon,cal mag 1 teaspoon gallon
How often are you feeding? every 5th day
If flowering, when did you switch over to using Bloom nutrients? 10 days in
What order are you mixing your nutrients? (example: veg nutes 1st, bloom 2nd ect)
What is the TDS/EC/PPM of your nutrients used? dont know
What is the pH of the "RUN-OFF"? 6.15
How often are you testing pH/ppm/EC/TDS? never before today
What method of pH test was administered? Using Strips? pH pen? pen
How often are you watering? every other day
When was your last feeding and how often are you feeding? today,every 5 days
What size bulb are you using? 1000 watt hps
How old is your bulbs? 1 month
What is the distance to the canopy? 15 inches
What is your RH Factor? (Relative Humidity) dont know
What is the canopy temperature?68F off 79F on
What is the Day/Night Temp? (Include fluctuation range)68f-79f
What is the current Air Flow? (cfm etc.)250cfm
Tell us about your ventilation, intake exhaust and when its running and not running ?250cfm while lights are on,80cfm when they are off
Is the fan blowing directly at plants? yes 24/7
Is the grow substrate constantly wet or moist? no
Is your water HARD or SOFT? well
What water are you using? Reverse Osmosis (RO)? Tap? Bottled? Well water? Distilled? Mineral Water? well
If using tap water, what is the ppm/EC/TDS of the water right out of the tap?(Only if you have a tds pen)50 ppm
If using RO,Distilled,mineral water, what is the ppm/EC/TDS without any additives?(Only if you have a tds pen)
Are you using water from a water softener? no
Has plant been recently pruned, cloned or pinched? no
Have any pest chemicals been used? If so what and when? no
Are plant's infected with pest's? no
I have 3 or 4 satori runs with no issues.I recently moved from a 400 watt hps to an aircooled hood with a 1000 watt hps.
The only other change is the FFOF which my hydro store had on sale 50% off.
My cal-mag was about two years old,I just picked up a fresh quart today.
 

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Stress_test

I'm always here when I'm not someplace else
Veteran
SOIL:

soil mixture they are in now? 4 weeks
4th week of flower
1 plant per pot 3 gallon
fox farms ocean forest, pure blend pro
pure blend pro 1 tbsp gallon,cal mag 1 teaspoon gallon
How often are you feeding? every 5th day
pH of the "RUN-OFF"? 6.15
68F off 79F on
The only other change is the FFOF which my hydro store had on sale 50% off.
My cal-mag was about two years old,I just picked up a fresh quart today.

I personally have never experienced the problem but have seen it a couple times and it pops on the boards here pretty frequently.

looks like a calcium def or lock out due to ph to low cal locks out at 6.4 and lower. check this out its helped my out a time or two.https://www.icmag.com/ic/showthread.php?t=11688

I'm pretty sure you nailed it. The pictures definitely show all the symptoms of cal/mag lock-out. Likely caused from using the old cal-mag.
 
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