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My tropaeolum is recovering from yellow to green (thelemmy.club)
submitted 3 weeks ago by jaykrown@lemmy.world to c/gardening@lemmy.world
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This is hydroponic, the pH was too high so I lowered it and added nutrients to the water. Now that it can actually absorb nutrients the leaf is turning green again starting at the veins which I think looks really cool. It was previously much more yellow.

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[-] jaykrown@lemmy.world 2 points 3 weeks ago

I checked again today, reservoir became basic again so added even more pH down. This is why you soak the rock wool to neutralize, because it's very basic and raises the pH drastically.

this post was submitted on 19 Apr 2026
25 points (100.0% liked)

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