If it's not too late, you might want to cancel the card and slot, until you have tried the lead. I think the lead will work, making the other bits redundant. Unless the camera needs the card internally
That reader looks like 99 cents?
I think it's probably too wet. Pot plants love some air around their roots. Low oxygen stops processes. It's something they need. My favourite system is flood/drain pebbles, as it's just wet roots in the air. My highest yields come from such systems, and since leaving them 10 years ago, I have never done quite so well. Within 10% typically.
I think it's probably too wet.
I think PC wants to be able to see the roots growing without having to dig up the plant!