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humidity prob? def?

MTZ

New member
HYDROPONICS DWC

How long has this problem been going on? Started as a seedling

Are you growing in a PVC grow tent? (example: Hydrohut or any other non brand tents)closet grow

What system are you running? (DWC? Ebb flow? Aero? Water Farm? Flood Tables? and so on...)DWC

What STRAIN are you growing?White Diesel

What was the establishing technique? (Were the seed or clone?)Seed

What is the age of your plants?2.5 weeks

How long have they been in there mixture they are in now?(coco,soiless etc..) since seedling

How tall are the plants? 5 inches

What PHASE are the plants in? (seedling, vegetative or flower) are the plants in?VEG

What Technique are you using? ?

What substrate/medium are you using?(Hydroton, RockWool etc.) hydroton

What is the Water temperature?68-72

What color are your roots? White? Brown? Are your roots slimy?white some browning at the top where roots meet the water, might be from fnb.

What Nutrient's are you using?(If growing soiless) FNB

How much of each nutrient are you using with how much water? *Knowing the brand is very helpful* 650ppm

How often are you feeding? (If using soiless)maintaining the ppm around 650 ppm

How often are you giving nutrients? (If using soiless) flushing 1 week and maintaining ppm.

What is the TDS/EC/PPM you are using? 650 ppm

What is the pH of the "Tank"? 5 gal bucket, 650 ppm

How often are you testing your pH/PPM/EC/TDS? daily

Are you sure your calibration is correct on your equipment? yes

What is your water temps? 68-72

When was your last feeding change? (ie. grow-bloom-micro-additional) Today

How often do you clean your system: example: Flush out water replace with clean water and nutrients? Once a Week

What size bulb are you using? 400 HPS

How old is the bulbs you are using? new

What is the distance to the canopy?1.5-2 feet

What is your RH Factor(Relative Humidity)? no clue

What is the canopy temperature? 68-72

What is the Day/Night Temp? (Include flucutaion range) 68-72

What is the current Air Flow? (cfm etc.) Fan pulling air from closet

Is the fan blowing directly at plants? no

What water are you using? Reverse Osmosis (RO)? Tap? Bottled? Well water? Distilled? Mineral Water? RO

If using RO,Distilled,mineral water, what is the ppm/EC/TDS without any additives? 4-6ppm

Plants leaves come out perfect then as the become the older growth starts like twisting looking dry but i havent seen anything on the infirmary that looks exactly like it. i have been giving them foliar spray of just RO water when lights are off and i am on a 20/4 light schedule.


picture.php
https://www.icmag.com/ic/picture.php?albumid=20076&pictureid=416933

picture.php


picture.php
https://www.icmag.com/ic/picture.php?albumid=20076&pictureid=416934
 

Japanfreakier

Active member
Veteran
Without pics it's hard to guess. If it weren't for your plants being so young I'd say it's because of the low ppms + R.O. water causing a mg def.
 

MTZ

New member
you should be able to see pictures in this thread if not maybe click on my name and albums they are there. Thanks and i am looking into this mg def.
 

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