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Curled leaves caused by frozen bottles?

czlokstarted grow question 5y ago

As you can see in my last diary photo, some of leaves are curled. Could it be caused by bottles with frozen water? I am sure that bottle was touching roots, I did not have curled leaves before and I did not used frozen bottles before...

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Leaves. Curl up

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GrowDranswered grow question 5y ago

looks like heat stress from the light being close. try to make your water match the same temp that's already in your hydroponic system. Major swings can effect the plant. 😅

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