RO/DI with Planted Tanks - The Planted Tank Forum
 
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post #1 of 5 (permalink) Old 03-22-2007, 01:56 PM Thread Starter
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RO/DI with Planted Tanks

Hello

Just want to follow up if I will be safe with adding RO/DI water to my planted tank with automatic CO2. My understanding is that RO/DI unit will bring the KH down to 0. Since I am pumping in CO2 I want to make sure that the fish and plants will be OK.
I read through quite a few posts here but I could nto find a firm answer as to if this will be OK or not. Has it been confirmed yet if it is OK?
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post #2 of 5 (permalink) Old 03-22-2007, 04:16 PM
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It's ok, you want to reconstitute it with minerals. Some use tap water to do this, others use calcium carbonate, baking soda etc. Kent marine has a product called RO right, I use some cheap junk I got from the lfs called Electro-right for GH, and Seachem alkeline buffer for KH, it never dissipates like baking soda did in my tank. I only bring mine up to 3dKH and about 7dGH.

Just read up on reconstituting RO water and you'll see all the options out there.


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post #3 of 5 (permalink) Old 03-22-2007, 04:21 PM
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I use RO right and it works great. I have very hard water so RO/DI is the only choice for me
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post #4 of 5 (permalink) Old 03-22-2007, 04:33 PM
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Quote:
Originally Posted by Sympley View Post
Hello

Just want to follow up if I will be safe with adding RO/DI water to my planted tank with automatic CO2.
No doubt you'll never get a "straight" answer about the use of RO/DI in your tank. My opinion (because I used to use it) is that so long as you are careful to monitor your water and add buffer as necessary, you'll be fine. RO water won't be toxic, and if your time and patience allow for it, will let you create water to nearly your exact requirements... whatever those may be. Go ahead any try it out, start with a 50/50 ratio of RO to tap and proceed from there. Just remember to monitor your water because it will be very soft and slightly acidic after the filtering process.

It may be that your sole purpose in life is simply to serve as a warning to others.

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post #5 of 5 (permalink) Old 03-22-2007, 05:01 PM Thread Starter
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Thank you for the info. I will try it out and see what happens. I guess to be on a safer side it is better to add some buffers.
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