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Leaf problems
The8thChevronanswered grow question 5y ago
Nute lockout from bad pH. Raise your pH to 6.2 or so. Even in hydroponics, the plants prefer a higher pH in flowering.
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Brown / rust spots started to appear on the tips and slowly started yellowing leaves.
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20 litres R/O water
80ml bloom A
80ml bloom B
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30ml phup
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After i started noticing the brown spots / leaves curlin up and stunted growth i skipped a feed and flushed with plain R/O water used 30 litres for 4 auto plants.
Yesterday i watered again but cut the nutes in half.
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40ml bloom B
20ml of every additive on the chart
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I still don't know what the problem is, if it is a excess of something or a deficiency..Looks like a cal meg deficiency but ive beed using cal meg since the beginning. Maybe i have excess nutes in the soil and resulted in nutrients lockout of cal meg or something else?
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