So...strangely enough, I found this info while researching potting soil mixes for my Citrus trees. Thought I'd copy/paste it over here for comments. I'm not really considering it, just seemed like an interesting subject.
Could you pour sphagnum moss into your skimmers and supplement your sand or cartridge filter like you use DE? All I envision is brown dust floating all around the pool...
Quote removed, used without permission. Please link to external sources rather than quoting them. JasonLion.