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Looks like a plant intensive care unit! Very ingenious. It made me laugh. Thanks for posting.

Interesting...and intense (pun intended)...lol

That is funny And innovatve...a slow drip of plant food/water
..but you have to build a frame and but medical supplies. ;)

Interesting  and very creative.
Maybe the guy was a nurse or something, recycling saline drips, very clean and safe.
Better than throwing them away or melting them.

Hi,
Here the water in the reservoir would be so warm by noon that you would cook the roots while watering with that water.
Perhaps filling the reservoir in the evening so that it is empty by 10:00 AM to avoid standing water during the hotter hours.
By the way, how does he avoid insects from breeding inside ? Lizards falling inside ?
Just yesterday, I had to save a lizard from a cut bottle serving as a small watering can.
Plastic is sleek and they can't get out.