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Why is my clone leaves curling upwards? is my light too strong?

SwedishChef
SwedishChefstarted grow question 4 years ago
Have Two 4.3w LED incadescent lights 1feet away from them. Room temp is 25 & i try to change the water daily. added little bit of fishmix because it started yellowing
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Week 7
Setup. Clones
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CRiSPrGrow
CRiSPrGrowanswered grow question 4 years ago
Hey there SC ! This is one of those tough questions because it's lockout, so you have deficiency symptoms even though there is noclear reason why this should be the case. Basically a lot of these products have "hidden" N, meaning a small quantity of N in fix mix, calmag etc... + NPK that means that over time this can cause lock out. Basically it's partly the fault of genetics for being so sensitive and partly the nutes . Just cut some N out wherever you can it should bounce back a bit slowly but it will recover. Hope this helps ! 🚀
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SwedishChef
SwedishChefanswered grow question 4 years ago
@The8thChevron it claims to be 40w equilavent which made me worried. most cloning guides suggest 20-30w/squarefeet for rooting clones. Youre probably right about humidity/nuteburn because i dont have humidity dome & i fed them some fishmix yesterday.
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The8thChevron
The8thChevronanswered grow question 4 years ago
4.3w? That's not gonna get you anywhere. Leaves curling up could be nute burn, high temps, low RH, or light burn, but the latter sounds next to impossible with 8 watts of power...
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