I’ve got wood chips in the bog filter box. They’ll break down over time, and add tannins to the water, but I’m just too broke and busy to do rock. I could go get rock from a spot I know, but it would require serious cleaning and sterilization. And I’ve just not got it lately to go haul a few buckets of rock, I’m too tiredWood chunks as biomedia? Had never heard of using wood.
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