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What elements does a plant need to grow?
(
github.com/hydromisc
)
339 points
by
lathyrus_long
on Nov 16, 2021
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102 comments
Show HN: Open hardware for hydroponic automation (EC, pH, irrigation, etc.)
(
github.com/hydromisc
)
10 points
by
lathyrus_long
on July 7, 2021
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past
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1 comment
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