My cactus has been like this with cracked skin for months, I then noticed it had aphids and removed them with soap and water for one week and they went away, and just today I noticed these brown spots and black at the top of it! Does anyone know what this is and how do I treat it? I have potted today with new soil to see if that does anything. Any help will be greatly appreciated.
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Hope
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3Does it get direct sunlight? How many hours a day? One problem I see is etiolation, which is caused by lack of sunlight. But I think there are more problems here... – benn May 20 '21 at 21:43
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It’s by a window all day and night, it doesn’t get too much sun, I’ll try moving it to get more sun! Thx for the advice – Hope May 22 '21 at 09:47
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Some plants do not tolerate insecticidal soap, if you used that? – Neil May 24 '21 at 02:16
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It was doing it before I sprayed it with soap – Hope May 25 '21 at 19:53