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Showing results for tags 'caribsea hawaiian'.
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Aqua Splendor posted a topic in Biological FiltrationHello, I bought a bag of caribsea black sand Hawaiian for my nano project and I wanted to show you what it look like, I haven't seen anyone making a comparison like this so I hope this will give you an idea. I'm currently waiting for a ICP test and once I receive it I will publish the results with you 🙂