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Old 04-05-2011, 05:10 PM   #1
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RODI

ok my venture into sw is beginning pickkin up my 10g tonight my question is whats the RO and the DI is it nessacary to have both or will just one suffiice im tryin to find one for under 100 but haveing no luck
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Old 04-05-2011, 05:15 PM   #2
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ro/di stands for reverse osmosis/ deionisation. Its a machine that super cleans tap water. RO is good for FO or FOWLR tanks.. the di will give the water 000 TDS which is what you want if you are doing a reef tank. Thats how it has been explained to me. I have a 5 stage ro machine and it works great.. I am only doing FOWLR..

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Old 04-05-2011, 05:17 PM   #3
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Originally Posted by amdninjaboy
ro/di stands for reverse osmosis/ deionisation. Its a machine that super cleans tap water. RO is good for FO or FOWLR tanks.. the di will give the water 000 TDS which is what you want if you are doing a reef tank. Thats how it has been explained to me. I have a 5 stage ro machine and it works great.. I am only doing FOWLR..

Shane.
im doing a reef corals mabye a clown etc. is it 100% nessacary im having trouble findin a reasonable priiced one seeing as im only doing a 10g reef
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Old 04-05-2011, 05:20 PM   #4
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Since youre starting small you can probaly just fill some empty water jugs and get the ro/di water either at your lfs or maybe a supermarket. My publix has a water machine, 30 cents a gallon.

You will only be using a bit of water when you start, after your stabilized and all you should only need a gallon or two a week for pwc;s


Oh and ebya has some ro/di's under $100 BUCKS. I'll be ordering one maybe tonight
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Old 04-05-2011, 05:20 PM   #5
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Since you're doing such a small tank I'd buy your water from the LFS or grocery store for ~$0.50/g. My LFS has it for $0.25/g and premixed SW for $1/g.
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Old 04-05-2011, 05:20 PM   #6
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I dont think its absolutely necessary, im sure there are people doing reef tanks with tap water but its probably not suggested.. Especially on a 10 gal, you dont have a lot of water so having the best water you can would probably be the best thing. You can usually buy ro/di water from a LFS or grocery store/ water store. In Ontario, Canada we have 'The Water Shoppe' where all they sell is ro water , equipment etc..

Shane.
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Old 04-05-2011, 05:22 PM   #7
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There ya go, now you have options..

HTH
Shane.
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Old 04-05-2011, 05:24 PM   #8
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Yeah I've been using tap to top-off with, such a small amount of water but I'm definitely seeing the consequences of it, HA and a tiny bit of cyano starting to grow here and there.

From now on when I get my SW I'll grab a gallon or 2 to last me 3 weeks until my next PWC
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Old 04-05-2011, 05:30 PM   #9
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il check around and see howuch rodi is sellin for n imm goin to lfs today so il ask how do ik there nt sellin me tap wter though?
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Old 04-05-2011, 05:31 PM   #10
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That sounds like a good plan. I should have thought of that before ordering a 90 gal with a 35 gal sump.. LOL. You can probably ask them to see their water making setup.. Dont think they would say much about showing you.. Best way is with a TDS meter, TDS should be 000 if ro/di and very low if RO..

Shane.
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