this girl gets the same feed as the girl next to ...
Hemporio_Afghanistarted grow question 6y ago
this girl gets the same feed as the girl next to her who shows now signs of deficiency.
perhaps 1ml/L cal mag was too high?
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NobodysBudsanswered grow question 6y ago
Magnesium deficiency? If yellowing is less interveinal over time, then i'd say a slight N-def.
Epsom salt can work too, if not too high in Sulfur already. Cal-mag is fine, if you are not too high on Ca already.
May want to calculate ppm from your guaranteed analysis labels on your nutes. make an informed decision. consider recent behaviour and events that may not have been included here... in the end make sure you understand the decision you choose to take, don't blindly follow what i specifically say.
TheSlimeGrowsanswered grow question 6y ago
Looks like magnesium deficiency. If you are using RO, distilled, or rain water you need to add CalMag to every watering as those types of water do not have any of those essential minerals.
Your two plants can vary slightly in what they need and it seems like this one needs more Mg
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