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#1
06-05-2013, 08:26 PM
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So basically, RODI is mostly like an insurance and just making sure all the contamination are taken out (if any) before they get into the tank. So, if my understanding is right, RODI is "highly recommended" rather than a "necessity".
 Some reefers need to change their perspective  RODI unit is definitely not expensive compared to the cost of this hobby. But what intimidates me is the amount of water wastage. I don't have gardening or anything where I can use the waste water. Plus since its a rented house, wasting water is restricted in the contract. I was actually thinking of starting to by water from stores. Anyone knows where I can find "RODI" instead of just "RO" water?
__________________
You wouldn't want to see my tank. I don't use fancy equipment and I am a noob  
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#2
06-05-2013, 08:36 PM
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I get 7-9 TDS out of my kitchen sink and don't use any kind of conditioner and let the water sit overnight with a powerhead and heater. I've yet to have algae - except in my planted tanks, it was a battle I suffered for a long time despite every effort and made me shut it down, afterwords I realized that I should of probably be using RO water.
So far in the marine tank, I haven't had any algae issues - but I do have an rodi system, that I don't use, but have some ro water stored in case of an emergency. I don't know, it's a fail safe thing for me.
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#3
06-05-2013, 09:11 PM
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That is why i am adding the ro at least i will have a bench mark like you said because i hope as we all know this hobby is great and the last thing anyone wants to do is hurt livestock if maybe we could have done something just a bit different :-)
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#4
06-05-2013, 09:18 PM
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What people need to understand is that TDS doesn't equal bad. It's just a measure of total dissolved solids. Of course those DS's could be bad, we have no (easy) way to tell. Calgary for example, has very high TDS. But much of that is mineral content from the water source. Not a bad thing at all. Areas near agricultural areas might be a bit more concerned, as run off also measures as TDS, which can be N or P compounds, and/or toxic compounds. Again, risk is low, but cost of RO to offset that risk seems negligible, at least for medium to larger tanks.
__________________
Brad
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#5
06-05-2013, 09:36 PM
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I've used tap water with saltwater tanks that were just fine. However, in my current reef I like to have a little bit more control over what actually goes into the tank because I'm a control freak like that. Using RO/DI helps to give me that control. Again, tap water is fine if you don't really care what goes into your tank. TDS of anything above 0 means there's stuff in there. What that "stuff" happens to be is anybody's guess. Will that stuff hurt your tank? Probably not, but it's a variable that is unknown. A lot of people use tap water with their reefs, this isn't anything revolutionary or revealing :-)
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#7
06-05-2013, 10:16 PM
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Quote:
__________________
You wouldn't want to see my tank. I don't use fancy equipment and I am a noob
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#8
06-05-2013, 08:37 PM
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Quote:
__________________
Brad
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#9
06-05-2013, 08:44 PM
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I feel the same way about the waste water with an ro unit. I ran ro/di for years but when I moved I got lazy and didn't set it back up and used conditioned tap water.
Mind you my tds out the tap is around 8, but like Brad mentioned, it's an insurance policy. I know a lot of people in BC with small to medium tanks use the aquarium pharmaceuticals tap water filters. For many out here this is enough to get their tds down to zero. Not really cost effective if you are running larger systems though as the cartridges can get pricey.
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