I posted about this idea a while back and another redditor gave me some good advice. I live on the Indian River Lagoon, seawalls are a big issue since they don’t provide a home for fish, and don’t have any biotic benefits to the environment. For a solution I was thinking that I could design a sort of above ground garden bed that could be put on the water and float, removing nitrates from the lagoon. Initially my plan was to construct it out of hardwood, but this turns out to be quite expensive. I was considering creating a PVC frame that could float on the water, since this would be significantly cheaper. I attached some photos below showing what I would ideally build. I am 16 and I don’t really know how to build stuff so thats why I am here let me know you you know any resources that can help me or if yall have any ideas of how I can build this. (Photos aren’t mine)
https://preview.redd.it/f9rod68imhpe1.png?width=558&format=png&auto=webp&s=9217c7e871184031cbf3270c17b814dc7b5f43a3
https://preview.redd.it/svtvm3pomhpe1.png?width=520&format=png&auto=webp&s=ac42e7347cd04a47f232f8f4420f4bce1f68034e
https://preview.redd.it/zuztau9gnhpe1.png?width=4032&format=png&auto=webp&s=da136a9215c5dbb650bc727a88fd32dd6e2cd8f0 submitted by /u/Historical_Ad_3925
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http://dlvr.it/TQzqzD