Its just a salt bucket, some lavarock, explanded clay balls, 2 fittings, some hose and a pump.
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[URL=https://mail.3reef.com/gallery/photos/diy-bio-bucket.1682/][IMG]https://mail.3reef.com/data/photos/l/1/1682-1164767985-0dc806c5936b60494dea711995e935de.jpg[/IMG][/URL] [URL=https://mail.3reef.com/gallery/photos/diy-bio-bucket.1682/]DIY: BIO Bucket[/URL] by [URL=https://mail.3reef.com/gallery/authors/urban_s.11104/]Urban_s[/URL] on 3reef Aquarium Forums
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