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What are these spots

PillyPstarted grow question 6y ago

Anyone know what the light spots may be from on plant #2 I noticed this spot on the bigger leaf closest to the tip about a week ago now seeing lightly other ones showing up. Maybe calmag?

PillyP

PillyP

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MadeInGermanyanswered grow question 6y ago

What is your Ph worth? and how high is the ec worth? if they don’t give Cal / mag extra? can you do this do

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