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Brown spots
Moznurseukstarted grow question 2 years ago
Can any help me diagnosis what's the problem with my plant. Only got 5 weeks left till harvest. Brown spots started at the bottom of my plant and worked its way to the top. Any help would be much appreciated. You can have a look at the diary to see what I'm feeding and watering.
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m0useanswered grow question 2 years ago
Looks like calcium to me. As you are growing in soil I would add in some chicken manure if it was me or brew up an egg shell extract. You can also use some ready to use CaMg supplements as a quick fix. Your PH is on the high side for soil based grow as well, I would try and get that down a notch to 6.4 if possible given that its in a pot vs the earth. Also side note a lot of things say potting soil but in reality it is soilless as it contain little to no soil. Please double check your bag if it comes from one and confirm it is not just peat and perlite or something like that.
Good Luck & Happy Growing.
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DutchDoobieanswered grow question 2 years ago
High Moznurseuk,
The spots on your leaves are caused by calmag dificiency. You need to add some calmag with your nutritions.
Also make sure that the pH of your water is right. You can measure the pH of your water and nutrition solution and this should be close to 6.2 on soil.
You can also measure the pH of your soil using demineralized water. I always do this just to check if my soil is still in the right pH range. This is really easy and can be very helpful.
You need a measure cup of at least 250 ml. Then you add 150 ml demineralized water and you add soil till you reach 250 ml. Let it solve and stir well for a minute. After this you can use your pH meter to check the pH from your soil.
Happy Growing! 😋
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Grey_Wolfanswered grow question 2 years ago
@Moznurseuk its the beginning of a calcium deficiency mate usually due to the ph being a bit too low
with soil use calmag sparingly as it doesnt work as quickly as it does in hydro or coco
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GrowingGrannieanswered grow question 2 years ago
This is the start of a calcium deficiency. Drop your pH to about 6.2-6.3 and add some calmag... you should be fine!
Good luck with your grow - and thanks for the diary and information! Sorry I was a little short with you before - the heat was getting to me! :-D
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