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#2
01-02-2018, 05:28 PM
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a herbie uses 1 full siphon and 1 emergency. the full get's a gate valve to dial it down. just make sure the smaller of the 2 in a reef ready tank is the siphon, and make sure the emergency can handle the full pump flow.
the bean adds a durso. it's a little safer but not worth the hassle if your tank only has 2 holes. sch 80 is fine. 
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