Mixing RO water with tap - The Planted Tank Forum
 
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post #1 of 11 (permalink) Old 02-05-2013, 10:05 PM Thread Starter
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Mixing RO water with tap

Well, my betta is a bit nicer now (thank the heavens) so he has gone into my community tank, leaving my 5 gallon tank open. Naturally, I want to make it a shrimp tank Since I've been breeding easy shrimp with great success, I think I want to graduate to some easy caridinas. My initial thought was CRS/CBS, but, I would probably have to do full RO water for them, which means remineralization, which is kind of expensive (for me lol). My next thought is tiger shrimp. I have two questions:

1. What pH should I get the water for Tiger Shrimp?
2. At what point, when mixing RO water with tap water, do I have to remineralize? Could I do 25% tap 75% RO without having to buy remineralizer?


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post #2 of 11 (permalink) Old 02-05-2013, 10:17 PM
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I don't keep tigers atm, however I imagine your answer depends on the params of your tap.

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post #3 of 11 (permalink) Old 02-05-2013, 10:21 PM
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Depends completely on your tap water. What are the gh, kh, ph, tds of your tap water?
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post #4 of 11 (permalink) Old 02-05-2013, 10:31 PM
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Quote:
Originally Posted by PuddlesAqua View Post
Depends completely on your tap water. What are the gh, kh, ph, tds of your tap water?
+1 to statement above. All relative to your tap water. When I was mixing RO w/tap I used a ratio of 3:1, which worked. However I now only use GLA GH Booster and Baking Soda so I consistently know exactly what goes into my tank.

Last edited by Dx3Bash; 02-05-2013 at 10:32 PM. Reason: Edit
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post #5 of 11 (permalink) Old 02-05-2013, 10:45 PM Thread Starter
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pH - 8.2
gh/kh -don't have test kit, but, I do have a test strip that show "total hardness" and my total hardness is 200 ppm.
TDS - don't have a meter


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post #6 of 11 (permalink) Old 02-05-2013, 10:51 PM
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TDS will be pretty important for ya to decide on what mixture.

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post #7 of 11 (permalink) Old 02-05-2013, 10:58 PM Thread Starter
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OK. Well, I scoured the web for water reports, and the most recent report I found said that my TDS is 780 mg/l. I have redneck water


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post #8 of 11 (permalink) Old 02-05-2013, 11:24 PM
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Ok then....1 drop of tap per 5 gallons of RO. Kidding of course. Consider GH Booster and Baking Soda.

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post #9 of 11 (permalink) Old 02-05-2013, 11:35 PM Thread Starter
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lol OK. So the tap/RO mix probably wouldn't work?

Looking at GLA's gH booster, that price tag looks much better than other remineralizers


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post #10 of 11 (permalink) Old 02-06-2013, 01:08 AM
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It's probably easier and cheaper to get all the tests required and test the mixture of tap and ro. You will need the tests anyways to make sure the parameters are in the right range after remineralizing ro water.
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post #11 of 11 (permalink) Old 02-06-2013, 01:35 AM
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I use the GLA with my Neos and CRS and I like it. One teaspoon rounded in 5 gallons makes about 170 tds in Pure RO water.

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