Pond version is longer. Both would work but the pond would be better. My LFS can get it but he is not ordering for a while.
http://www.sera-usa.com/us/products/...ond-25-mm.html
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All LED since 2010.
Current Tank Info: 375 Gallon Reef with siporax, all LED lighting, and Red Dragon 3 and Abyzz A200 on 2 closed loops.
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