RO/DI water - The Planted Tank Forum
 
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post #1 of 8 (permalink) Old 08-02-2009, 06:49 AM Thread Starter
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RO/DI water

The town I live in has changed to Chloramine for water treatment. I am getting readings of 2-4ppm Ammonia out of the tap. I bought an RO/DI unit off of the filter guys and have it set up. I am going to make small water changes with it (25%) to ease my fish into the new parameters.
My question is: Those of you that use this type of water do you add your elements to the tank after you add the water? I don't want to do the bucket method, I am so over that.

Thanks
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post #2 of 8 (permalink) Old 08-02-2009, 03:04 PM
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Use Seachem Prime or another good dechlorinator. Prime takes care of both the ammonia and the chlorine in chloramine, and requires very small dosages to do it, so the bottle lasts a long time. You have to do something like this - the fish cannot tolerate that much ammonia or chlorine no matter how you ease them into it. RO/DI is not a good way to handle chloramine treated water - it is overkill to say the least.

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post #3 of 8 (permalink) Old 08-02-2009, 04:36 PM
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Hoppy,

I have well water which is hard so I buy RO from LFS. Is there a treatment other than the soft water pillows that will possibly lower PH at the same time?

Still learning from the experts.
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post #4 of 8 (permalink) Old 08-02-2009, 07:19 PM
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The pH is not a problem for most fish, except for some when they are to be bred. It is the dissolved salts, the TDS and the KH that can be a problem for at least some fish. I have not had extremely hard water, so I haven't had to deal with it, but I'm pretty sure that RO/DI water, used to dilute the tap water, is just about the only effective way to reduce the hardness (dissolved salts, TDS and KH). A water softener, using KCl instead of NaCL as the salt, can work to reduce the amount of calcium in the water, but the water will still have a high TDS, even if much of that will be potassium that the plants will use as a nutrient.

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post #5 of 8 (permalink) Old 08-02-2009, 07:29 PM
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Thanks Hoppy!
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post #6 of 8 (permalink) Old 08-02-2009, 09:35 PM Thread Starter
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Thanks Hoppy, but that didn't answer my question. I have prime but refuse to add that much trash to my tank. I have Equilibrium (sp) and all the dry ferts. I have my rodi unit set up and feel much better using that water and adding the elements back in that this trash the city pushes on us
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post #7 of 8 (permalink) Old 08-03-2009, 04:22 AM
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Quote:
Originally Posted by fibertech View Post
My question is: Those of you that use this type of water do you add your elements to the tank after you add the water? I don't want to do the bucket method, I am so over that.

Thanks
I add everything after in a pre-mix container but before the tanks.

I use a 120gal tank from jehmco but you could use a 30~50gal rubbermaid trash can just plum it with a couple of heaters and an air-line and your good to go.

That way you can age, heat, and treat your water before it hits your tank and yo-yo's your fish's living environment.

- Brad

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post #8 of 8 (permalink) Old 08-03-2009, 10:48 AM Thread Starter
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Thank you Brad
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