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username09
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I was checking out eBay and noticed these air delivery devices. I dunno what else to call them really. They aren't your typical air stones but, they do look like they provide a decent amount of nicely distributed oxygen. I'm just wondering if anyone has any experience with them? I was wondering what they were made of and all. They look neat and they range in size and it's cool they're different shapes and could cover the bottoms of your buckets or pretty much be formed into any reservoir shape. Anyway, any input is appreciated. Forgot to add pics on my first post so here's a few incase you aren't familiar with the ones I'm referring to
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