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  #11  
Old 12-09-2020, 09:12 AM
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Originally Posted by Lynn in Michigan View Post
The tips of the new growth turns black and works it's way down.
I wish I’d picked up on this earlier...

If the new growths turn black as soon as they emerge, then a calcium deficiency is likely. If they grow nice and green for more than about a half-inch and then the tip turns black, it’s unlikely.
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  #12  
Old 12-09-2020, 02:04 PM
Lynn in Michigan Lynn in Michigan is offline
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No the growths get about 1 to 2 inches then start turning black from the tip. at first I thought it was sunburn. I have my larger plants outside for the summer. Now that they have been inside for a few months they are still doing that. I sure wish I could figure this one out. thanks for the input.
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Old 12-09-2020, 02:06 PM
Lynn in Michigan Lynn in Michigan is offline
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No the growths get about 1 to 2 inches then start turning black from the tip. at first I thought it was sunburn. I have my larger plants outside for the summer. Now that they have been inside for a few months they are still doing that. I sure wish I could figure this one out. thanks for the input. I will keep an eye on the watering.
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  #14  
Old 03-27-2024, 03:27 PM
JaynetLee JaynetLee is offline
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It certainly sounds like a calcium deficiency. Do you use distilled, RO, or rain water, by any chance?

Use Calimagic at 1 tsp/gal, once a week. If used with fertilizer, add the calimagic to the water, then the fertilizer
Hi Ray - just got my Calimagic, as I use rain water. Can I use this on my orchids that are in moss? And should I use it with every feeding (if I water them more than once per week)?
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  #15  
Old 03-28-2024, 09:04 AM
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Hi Ray - just got my Calimagic, as I use rain water. Can I use this on my orchids that are in moss? And should I use it with every feeding (if I water them more than once per week)?
If the orchids are in active growth, I would add it to all waterings at about 50 ppm Ca.
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