Biopellet fluidized reactor placement

nycman

New member
I play guitar, and know very well that there is a sequence that must be adhered to in terms of effects pedals in their connection from the guitar to the amp output.

In my reef tank, I pull water from my sump via an external pump, direct it into a reef octopus fluidized biopellet reactor (where I can control the flow), and then send it into a AquaUV sterilizer, and then return it back to the sump, into the first chamber which has my skimmer.

I thought this plumbing design was good because I can exert good control over both the flow thru the biopellet reactor and the UV sterilizer.

Problem is that the UV glass sleeve stains horrifically - it gets golden calcification frequently, and the wiper sleave is not helping enough.

Am wondering if having the biopellet reactor dump into the UV sterilizer is the factor here. I am inclined to replace the biopellets with carbon to test this.

I can't imagine the biopellet debris sticking to the UV sleeve, and causing the staining. But the staining is significant.

Any thoughts and experience on this?
 
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