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Salt Buildup?

How long has this problem been going on? 15 days ago
What STRAIN are you growing? chocotonic
What was the establishing technique? (seed or clone?) clones
What is the age of your plants? 60 days
How long have they been in the soil mixture they are in now? 35days
Were they in the same mixture when they were seedlings/smallerplant?yes
How Tall are the plants? 50cm
What PHASE (seedling, vegetative or flower) are the plants in?flower,30days
What Technique are you using? (SOG, SCROG etc)
What size pots are you using? (Include how many subjects to pot) 11l
What substrate/medium are you using? What brand of soil mixture are you using?(percentage of perlite, vermiculite...etc?) soil/perlite 50/50
What brand Nutrient's are you using? Algabloom Plagron Biomagno Bloom stimulator MgO Bionova Ca Cifo
How much of each nutrient are you using with how much water?
*Knowing the brand is very helpful*
How often are you feeding?
If flowering, when did you switch over to using Bloom nutrients?
What is the TDS/EC/PPM of your nutrients used? usually 1.0
What is the pH of the "RUN-OFF"? not checked
How often are you testing pH/ppm/EC/TDS? pen
What method of pH test was administered? Using Strips? pH pen? pen
How often are you watering?2/3 days
When was your last feeding and how often are you feeding? every time with a 0,5 ms ec of nuts
What size bulb are you using? 400/600w
How old is your bulbs? new
What is the distance to the canopy? 30cm
What is your RH Factor? (Relative Humidity) 50
What is the canopy temperature? not checked but not stressful
What is the Day/Night Temp? (Include fluctuation range)
What is the current Air Flow? (cfm etc.) 425 out 195 in
Tell us about your ventilation, intake exhaust and when its running and not running ?
Is the fan blowing directly at plants? yes but it moves
Is the grow substrate constantly wet or moist?usually dry up after 3 days
Is your water HARD or SOFT? my water pass through a water softner so it's without Ca and Mg that i add with a 0,2 ms of each every watering
What water are you using? Reverse Osmosis (RO)? Tap? Bottled? Well water? Distilled? Mineral Water? well water+Ro but now i changed for normal water
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) 0,65
If using RO,Distilled,mineral water, what is the ppm/EC/TDS without any additives?(Only if you have a tds pen) the RO ec is 0,08
Are you using water from a water softener? until 4 days ago yes but now i changed for normal tap water
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
 
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can someone change the colour? thanks!
 

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al70

Active member
Veteran
it looks like nitrogen deficiency, maybe lockout, goodluck
 

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