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Old 01/09/2008, 09:08 PM
m2434 m2434 is offline
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Join Date: Jan 2004
Location: Boston, Ma
Posts: 1,119
PO4 reactors are typically pretty short. The phosban reactor for example is ~14.75 and 12" of clearance is plenty...

I didn't realize that you don't have a skimmer. A skimmer can be, as effective, if not more effective than a PO4 reactor. This is because it can remove organic compounds, that contain high amounts of phosphate, before they break down and release PO4 in the more troublesome, inorganic form.

Do you use RO/DI water? Water typically isn't a major source of PO4 compared to food, but can still contain significant amounts.

Macro algae refugiums are also very effective as is decreased feeding and increased water changes with RO/Di water.

Out of the choices I think a skimmer is my top preference.

Second would be a fuge or a PO4 reactor (which would not be much plumbing at all...)
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