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 Post subject: Bak Choi Leaves curling
PostPosted: Dec 7th, '17, 08:35 
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H guys this is my 4th batch of Bak choi's the first 3 grew very well apart from some big ants eating the last crop.... I notice the leaves curling down and it's feeling hard and brittle to the touch... I was asuming that the rain that fell these last 3 months throw my PH off from 6.8 - 5.1 I brought up the PH to about 7 in 3 days ( don't know if that was to fast to shock the plants) then it rained again PH dropped to 6 i left it the for a couple days to bring it back up slowly now it's around 6.6.... would PH swings cause he leaves to curl like that. some pic's added for reference.


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PostPosted: Dec 9th, '17, 04:37 
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I did some research and it seems like it is a combination of to fast PH swings and a grow light being to close to it. Leaves curl under intense heat, and become brittle in bad PH.


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