What’s causing this leaf curl?

S

steve1989

Member
iamcolin said:
Lol actually it probably wouldnt, not sure what I was thinking there. I still recommend keeping the coco saturated at all times and always feeding at least a light strength feed. When I used to feed once a day the pot would get light and the ph would swing like crazy, measuring runoff will probably tell you whats wrong.
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How do you measure run off mate? I’m going to do that now to see if that shows what is possibly wrong? Is it a case of flooding the pot and testing what comes out the bottom?
 
iamcolin

iamcolin

Well-Known Member
steve1989 said:
How do you measure run off mate? I’m going to do that now to see if that shows what is possibly wrong? Is it a case of flooding the pot and testing what comes out the bottom?
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Yeah I use 3 gallon pots that sit in their own trays and pour 1/2 gallon through. I use one of those plastic nutrient syringes to pull out 30 or 40 ml of the runoff and put that in a cup and test the ph and ppm. Coco can get some crazy ph drift if its not kept wet, its not always a problem but its happened to me when I fed less than 2x a day.
 
S

steve1989

Member
iamcolin said:
Yeah I use 3 gallon pots that sit in their own trays and pour 1/2 gallon through. I use one of those plastic nutrient syringes to pull out 30 or 40 ml of the runoff and put that in a cup and test the ph and ppm. Coco can get some crazy ph drift if its not kept wet, its not always a problem but its happened to me when I fed less than 2x a day.
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Ok great, and I use water that has been adjusted to the correct ph?
 
iamcolin

iamcolin

Well-Known Member
I think 900 is fine. Anywhere between like 700-1500 should be fine in my opinion. If the ph on the runoff is ok then I have no clue. Good luck dude
 
iamcolin

iamcolin

Well-Known Member
Yeah when I am running coco I want my ph runoff to be 5.7-6.2 but I know people who say the ph runoff doesn't matter, they claim it's only the ppm runoff. I'd recommend to feed the plant with regular strength nutrients and lower the ph to 5.5 or 5.6 for two days in a row then see what the runoff is reading
 
Tvanmunhen

Tvanmunhen

Well-Known Member
steve1989 said:
Hi mate, why would the ppm be very high if they have had no bytes since Tuesday?
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When coco dries it is very salty due to being high in potassium. You get crisper nute burned plants when let coco dry out. Here is a good guide to water and feed. It's a bit much to read but you will be glad you did!
www.cocoforcannabis.com

Watering Coco - How to Water Cannabis Plants in Coco Coir - Coco For Cannabis

Coco Watering Guide. How to water cannabis in coco for maximum growth. Includes guidelines for coco watering frequency and a coco watering schedule.
www.cocoforcannabis.com www.cocoforcannabis.com
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