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Michelle Silva's Blog – July 2010 Archive (2)

one pump system w/ open (non recirculating) vertigros and closed (recirculating) raft tanks

After much deliberation decided not to recirculate the Vertigros.

Lots of pros and cons to this, but it will be much simplier to set up the 60 or more stacks. I kept thinking of the extra work,expense w/ plumbing, uniseals etc needed and then someone mentioned might be extra alage growth at all the rt angles I was going to have on the system... main reason is to keep it as simple as possible.

A huge pro is that I can now use one pump, which will also save…

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Added by Michelle Silva on July 12, 2010 at 9:00pm — 8 Comments

system turnover

Does anyone know how many times the water in a raft system should be turned over in a day?

I am in the process of figuring out what the best pump is for my system, whether to go with a bilge pump or sump pumps and what size. I would like a 3/4" outlet on pump. Of course, trying to use least amount of energy without taxing my pumps too much as well. One will be circulating constantly (raft beds) and one will be timed(verticals). I may be going solar, will know…

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Added by Michelle Silva on July 12, 2010 at 8:17am — 5 Comments

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