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NCC-1701
04/08/2008, 07:07 AM
I have seen a few pictures (but no detail) for having the RO/DI water storage tank elevated above the salt & lime water mixing tanks. So I would like to see your detailed plans or pictures so I build one myself. Thanks!

mille239
04/08/2008, 08:56 AM
I don't have detailed pics or plans, but they are very simple to build. Here's mine:

http://i35.photobucket.com/albums/d166/mille239/CIMG5348.jpg

http://i35.photobucket.com/albums/d166/mille239/CIMG5349.jpg

H20ENG
04/08/2008, 06:50 PM
Nicw work there mille:)
This is actually a surge tank, but WAY up there for good flow:)

http://www.blueplanetwaterworks.com/gallery/albums/031408-a/mini_Ballvalve_surge_1.jpg

NCC-1701
04/08/2008, 08:01 PM
Thanks for the feed back.

mille239
04/08/2008, 08:59 PM
ok, H20ENG, I know this is NCC-1701's thread but I wanna know more!!! Thell me about your surge tank, that thng's sweet!

H20ENG
04/09/2008, 04:44 PM
I used to run the engineering dept. at a public aquarium. Its a system my guys and I built.

That is, IIRC, a 100g surge tank, feeding a 2" motorized ball valve to the tank. Theres a float in the surge tank that fires a one shot timer relay to dump it. This was the only tropical tank there, and we made it nice:) (More at my red house)

NCC-1701,
What are some specs of your system? That way we can help you choose a decent sized reservoir, layout, etc. You want to set it up so your RO/DI doesnt short cycle trying to keep the reservoir full.

GuySmilie
04/09/2008, 11:13 PM
<a href=showthread.php?s=&postid=12281390#post12281390 target=_blank>Originally posted</a> by NCC-1701
I have seen a few pictures (but no detail) for having the RO/DI water storage tank elevated above the salt & lime water mixing tanks. So I would like to see your detailed plans or pictures so I build one myself. Thanks!
http://www.reefugium.com/pix/sump_and_make-up_water.jpg

mille239
04/10/2008, 06:31 AM
Very nice desigh GUYSMILIE! I have one quick question: Why do you use two freshwater reservoirs? Is there an advantage over a single large reservoir? was it just for added volume, due to space restraints? Or is it to prevent your RO/DI from cycling on and off frequently? Thanks!

GuySmilie
04/10/2008, 08:18 AM
It's not my design. Don't know whose it is.
I just like collecting nice relevant drawings and shiny twinkly things. :D

But I've also wondered about the dual F/W tanks. I think it depends on how he has the float switches wired in the lower tank. If the pump switch is wired as a LO SUMP SHUTOFF, then it stands to reason that the RO/DI switch is configured as a HI WATER SHUTOFF. And that tells me the pump is used as a circulation pump, to feed the top tank, which then gravity drains back into the lower tank.

Keeps the water moving and exposed to atmosphere to promote out-gassing. Also adds to the available volume of water on hand in the event of a massive emergency water change.
But that's just my theory.

mille239
04/10/2008, 08:26 AM
<a href=showthread.php?s=&postid=12297562#post12297562 target=_blank>Originally posted</a> by GuySmilie
It's not my design. Don't know whose it is.
I just like collecting nice relevant drawings and shiny twinkly things. :D


Ha ha... Well It definately has a lot of 'bling'!

Constant F/W turnover and circulation was one of my theories to the dual containers as well. Thanks!

mflamb
04/10/2008, 06:48 PM
http://i126.photobucket.com/albums/p117/mflamb/132223Step3CompleteBarrelConnection.jpg
http://i126.photobucket.com/albums/p117/mflamb/DSC00192-1.jpg
http://i126.photobucket.com/albums/p117/mflamb/DSC00197.jpg
http://i126.photobucket.com/albums/p117/mflamb/DSC00193.jpg
http://i126.photobucket.com/albums/p117/mflamb/DSC00195.jpg