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Discussion Starter · #1 ·
What do you think is causing this leaf curling? I noticed the bacopa caroliniana doing this, but I think its been ever since the tank was set up (~month ago). None of the other plants are doing this, from what I can tell.

Plant ID: The pointy-leafed reddish plant on the left...Is that l. arcuata?

 

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Discussion Starter · #3 ·
"Distorted leaf growth
cupped leaves
twisted and bent leaves"
copy and pasted from the Calcium deficiencies. I think these things describe it pretty well. I've never had this deficiency before. Not even sure I have any Ca ferts. What do people usually use for this? I have ADA aquasoil and powersand-S. I figured it would have most everything they need.
 

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Children Boogie
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Some people use the calcium TUMs you can get at the pharmacy. Or use Calcium sulfate (gypsum).

If you have hard tap water, just do more water changes. There are lots of calcium carbonate in there.
 

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Discussion Starter · #5 ·
Maybe our water is softer this time of year. I already do water changes about 2x / week.
Maybe I'll try that gysum stuff. Or, get a little CaCo3 from greg watson.
 
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