What do you mean by "with proper practice"? As in make sure the water is from a good source AKA low PPM and not too acidic/basic?
I went ahead and gave them some water-only waterings, and a little bit of cal/mag. That had them looking good for a little while! I bet a dose of Pure Blend Pro would do them good. Or do you think an AACT would be better?
They were doing good a week ago, but now it's looking like they have some sort of deficiency. Any ideas? Thanks for any input!
The last 2 pictures are what she looked like about a week ago. Not sure what is going on with her now.
They've been fed nothing but water and cal/mag the last couple weeks. They're in pots filled with 50% supersoil. Always pH the water now to 6.3.
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You are still adding ph down and cal mag. Why?You say they are in Super soil so I assume there are plenty of NPK and micro nutrients.
You need to let them dry out and give them fresh un adjusted tap water to good runoff.
By proper practice I mean proper watering and keeping a proper stable environment and medium for the plants.
If you don't understand what to do I suggest you read about general container gardening. Water quality and alkalinity and how plants use nutrients and how they affect other elements and the medium.
Every Grow is different. You have to learn and figure out what to do. No one can tell every factor from the forum and a few pics.
I don't use Super soil. Just ocean forest. I water only until I have transplanted up to the final pot and they show hunger in 12/12.
I have no way of knowing what nutes are in the soil or how much adding cal mag is too much.
And the ph down is acidifying your soil. No need to ph in buffered soil (lime) or add cal mag.
And they still look overwatered to me so I suspect bad drainage.
They could need nutes but I honestly don't know how to direct you here. You did for more weeks what I was saying not too.
How many times and how much water and cal mag?
The thick ribbing on the upper leaves says over watered maybe over nuted.
The yellowing and now necrosis on the lower fans means nitrogen and magnesium deficiency. Or lockout from acidic soil or blocked roots.
Simply overwatering will cause all of this. Adding acid to the water just makes it worse.
Ph'ing water for soil is not recommended in gardening unless the water is very high in alkalinity.
Should never add or do anything without understanding why.