TLDR: Citrus keeps turning black and oozing resin. But I can't find the problem. I thought it must be root rot, but they look perfectly healthy:
Long version:
Because my first and second citrus trees fell victim to root rot, I started using a very airy substrate made of pine bark, perlite and some humus/worm castings in a 5:1:1 ratio for all my plants (figs, pineapple, cherimoya, monstera, etc.) with little adjustment. You may recognize this as 'aroid mix'. But it works surprisingly well in my indoor space with a west-facing window and terracotta planters (and my tendency to overwater).
But I can't wrap my head around citrus.
It always starts with rapid growth, followed by very suddenly dropping and crisping leaves, black stems and finally death.
I thought I must be root rot again, which I need to mind during winter. But today, when I dumped my fifth (!) tree, I found only perfectly healthy roots and nice smelling substrate.
I think it must be a pathogen… but what?
I am at a loss. I keep killing my citrus trees and I don't know why. :'(
EDIT: replaced "5:1:1 mix" with "5:1:1 ratio" for clearification.
Which cannot connect to a phone unless it's unlocked, as accepting every USB-C connection carries security risks. They also require negotiation, which can fail at any time, meaning you have to unlock, disconnect, reconnect.
I also have a nice, external (and still cheap) DAC on my computer. It has a headphone jack. This means I need to be able to disconnect the USB-C dongle from my headphones, unless I want to have two separate headphones for my phone and my PC. By extension this requires me to go searching for the dongle from time to time.
I love USB-C. But the headphone jack had what companies and people claim to want: simplicity.
Headphone jacks solved a single but extremly common problem very well. USB-C provides a workaround for it.