When I grew semi-hydroponically, I used glass containers and drilled holes in them using diamond drill bits. It was very simple to do. I submerged the glass vase under water, and drilled the hole slowly as to not break the glass. I put two holes in, one on each side of the vase, about 2" up from the bottom. I used Leca, and watered with RO water I made at home with the counter top system from Ray's. I found the appearance of the glass was more attractive than the plastic, but both work fine.
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