Unfortunately these DIY systems are usually made with PVC. I think it’s worthwhi... | Hacker News

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		theCodeStig on July 11, 2021 \| parent \| context \| favorite \| on: Automated Hydroponic System Build (2020) Unfortunately these DIY systems are usually made with PVC. I think it’s worthwhile, to purchase a ready made system that uses food grade plastic, as I have done.

papercrane on July 11, 2021 [–]

PVC is a food safe plastic. There are some PVC products treated with things that make them not food safe, but as long as it has a NSF-51 marking it's food grade.

AbrahamParangi on July 11, 2021 | [–]

I’d expect the concern is about plasticizers leaching from the PVC. They’re not “toxic” but they are possibly endocrine disruptors.

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