RQS northern lights auto needs your help

grou

Active Member
Sprouted: 9th nov
Temp: 25-27c on 19-21 off
Humidity: 40-45 on 50-60 off
20/4 ratio since yesterday it was 24/0 before
Lights: 150watts since yesterday was 220 before. Mixed bulbs
Fabric pot: 18 liters
Lights hanging lenght: 40cm
I use coco mixed with perlite 80/20
Fertilizer: in first 8 days i was feeding with GHE coco dualpart. In those 8 day i fed it 3 times 0.4-0.4-0.6 ec i was giving half the recommended dosages. 4 days after sprouting i noticed this plant had pale green color on leaves. On 8th day i checked it and plant had brown spots on the pale green leaves and compared to other plants was small. Cal/mag def was my first thought and i went to the shop consultant suggested me fulvic acid, cal/mag, seaweed and root booster. I mixed 3ml cal/mag, 3ml fulvic acid, 3 ml root booster and 4 ml seaweed in 2 liter bottle, lowered ph to 5.8 and foliar sprayed plants, after which i turned off lights. With the remaining water i added 2ml coco dualpart grow and 1ml dualpart bloom. Adjusted ph to 6 and ec to 1.2. I watered plants and after 6 hours when i turned lights back on i noticed it was perking upwards but leaves were tilted. Most likely its calcium def what do you guys think?
Out of 3 other plants, one has minor symptoms royal gorilla auto and the other two are fine.
 

Attachments

VincenzioVonHook

Well-Known Member
Agree with Mick here 100%. Keep it simple. At that stage in Coco a base nutrient at 300ppm is all it needs.

It's always a good idea to check the ppm of the Coco as well. I had "hydroponic grade, pre washed" Coco coir from pinegro, and it ran close to 7000ppm from the bag, and another block of "triple washed, pre buffered" Coco from brunnings come in at over 6000ppm as well.
 

grou

Active Member
Stop giving it all that crap that was recommended by the so-called shop consultant........plants only need basic nutes.
What size pots did you start in?
Was your coco buffered?
I started NL in 18l fabric pot. On other 3 plants i used 12 liter pots. They told me that coco was prewashed with minimal starting ec so they suggested i started feeding from day 1. Do you think its excess nutes? In that case shiuld i flush with ph balanced water?
 

Southernontariogrower

Well-Known Member
First off lm a peat base grower, l soak medium, plant direct in 1g plastic. And dont water until feather light. No nutes until it grows some leaves. Roots will follow water in pot as it dries. Therefore creating a healthy rooting system. I use heatmats under seed starts to ensure best possible growth. When watering hold pot in hand and only water until you feel some weight. Dont overwater, how much can seedling hold? Use a small cup. The light doesnt need to be strong for seedlings l use a 150w 3k led in 2x4 and its more than enough. At least 2 feet between lights and tops. If not 3ft. Tube leds t8s work for seedlings too. 5k is what l found. Dont forget airflow, keeps them stout.
 

MickFoster

Well-Known Member
I started NL in 18l fabric pot. On other 3 plants i used 12 liter pots. They told me that coco was prewashed with minimal starting ec so they suggested i started feeding from day 1. Do you think its excess nutes? In that case shiuld i flush with ph balanced water?
Personally I like to start in small pots and transplant after two weeks.........it 's easier to maintain the proper moisture level in a small pot.
I like to rinse and pre-charge all my coco.........regardless whether they say it's buffered or not.
I don't think it's excess nutes.
Never, ever give plain water.........if you have a need to flush, use a mild nute solution.
 

Wattzzup

Well-Known Member
He sounds like a broken record. Every post is ph and feed 1.3 start to finish. He should just add it to his sig and save us the time of reading his misinformation
 
Top