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I realize the gravel vs. sand debate is a bit contentious, but I haven't had any blockage in the two months I have been running the system, despite claims of that the sand will become clogged within hours or days.

In fact, the sand media was the original aquaponics design.

References:

http://iavs.info/ http://aquaponicsnation.com/forums/topic/9039-integrated-aqu...

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That's good to hear you've been having success with sand.

I'd love to hear how it's going after 12 months, because sand is certainly easier to work with than course gravel, which can be difficult to plant seedlings into, based on my own experience.

I'll let you know. But I hope to find/develop a better medium before then (http://blog.automicrofarm.com/post/142436464771/mushroom-med...).

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