Is this nute burn, lockout or deficiency?

  • Thread starter rax420
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rax420

rax420

8
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Hi ThcFarmer Community,

Two of my plants have a problem and I dont know which. The first one has weird discoloration on the leafs and the other has some burned leaf tips or is it not as bad as it looks? Because this is my first grow, I am looking over them like a child. I hope a experienced grower can help me.
WhatsApp Image 2021-04-27 at 07.55.12 (1).jpeg
WhatsApp Image 2021-04-27 at 07.55.12.jpeg

I use Coco with 30% Perlite
1. Are you growing from seed or clones?
I grow from seed
2. How old are your plants?
From Seed about 20 days
3. How tall are your plants?
4. What type of hydro system are you using?
Coco with Perlite, Handwatering
5. What brand/type of nutrients are you using?
BioBizz ActiVera, Grow and CalMag
6. What is the Ph of your nutrient solution?
I aim for 6.0 - 6.2
7. What is the PPM/EC of your tap water?
My tap water has 0,3 EC
8. What is the PPM/EC of your nutrient solution?
The Nutrient Solution has about 0.6 - 0.8 EC
9. What is the temperature of your nutrient solution?
My water is between 20-25c
10. Does your PPM/EC show a rise or fall when you do your daily PPM check?
I dont test daily
11. Does your pH show a rise or fall when you do your daily check?
i dont test daily
12. Do you foliar feed or spray your plants with anything?
Nope
13. What kind of lights do you use and how many watts combined? (HPS, MH, fluorescent, halogen, incandescent "plant lights")
I use a 180W Led Panel from Hans Panel it is currently set to veg
14. How close are your lights to the plants?
About 60cm
15. What size is your grow space in square feet?
6,89 or 0.64 m2
16. What is the temperature and humidity in your grow space?
RH is between 50% and 70% Temp is between 20 - 24c(68f -75f )
17. Have you noticed any insect activity in your grow space?
Nope
18. How much experience do you have growing?
This is my first grow

I thank you in advance
 
Scrogger2190

Scrogger2190

134
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What's the frequency and strength of your solution? Looks like it might be overwatering
 
rax420

rax420

8
1
Ty for your reply, i did water every day about 0.5l for 5 plants. The strength was about half the recommended strength recommended by biobizz with an ec of 0.6 - 0.8. Since yesterday i try to water every other day. Is everyday too much even for coco? I read about it and it is often stated, that coco should be watered daily or even twice a day.
 
Scrogger2190

Scrogger2190

134
43
With coco what I usually do is do wet and dry cycles until the rootball fills the container then go to daily then twice daily etc. I dont have much xp with coco most of my xp is with soil but that's what I would recommend. Hopefully someone who runs coco a lot can chime in. Also feed frequency has to do with your perlite ratio as well
 
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