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Grow QuestionsRes change or nothing to worry about?

Res change or nothing to worry about?

BlueDreamer1started grow question 4 years ago

Hi, my ppm has risen from 172 to 212 in about 24hrs. Should I change res? Shes had lights on for about 2hrs and not perked up as much as I think she normally does by this point. Hydroton is obviously new. It was soaked. Could that be why? Ph is within the ph perfect range.

BlueDreamer1

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CRiSPrGrowanswered grow question 4 years ago

Hi again Blue Dreamer , so what i'm seeing is a micronutrient deficiency, you can tell it's magnesium from the yellowing on the serrated edges of the leafs. In hydro you need to add cal mag in every rez ! never grow without calmag ! Hope this helps ! 🚀

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