Why RO and remineralization? - The Planted Tank Forum
 
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post #1 of 10 (permalink) Old 01-04-2014, 05:25 AM Thread Starter
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Why RO and remineralization?

In my CRS tanks I have always just used 50% RO and 50% tap water ... Why do so many people use straight RO and spend extra money on chemicals to add minerals back in?

I can understand if you need a specific parameter but I general what is the justification/reasoning?


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post #2 of 10 (permalink) Old 01-04-2014, 07:25 AM
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gh booster is cheap

R/O lets you know exactly whats in the water..this is my reason for using it, there is no guessing. Depending on the area, tap water can fluctuate quite a bit, it can also introduce some bacteria and heavy metals that effect shrimp health, For the cost of some shrimp species, a lot of people wont risk it.


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post #3 of 10 (permalink) Old 01-04-2014, 08:06 AM
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This is something I'm curious about? In marines we always use ro water and a good salt mix that has all the trace elements ... I can see the reason though if your tap water is no3 40 p.p.m and loaded with phosphate and peeps wonder why that algae won't go off they're rocks substrait..


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post #4 of 10 (permalink) Old 01-04-2014, 01:02 PM
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Justification? Don't need one. Reason? Well, my tap is of excellent quality but extremely hard so we use a softener for the house to protect pipes, appliances, etc. Softened water is not so good to use due to all the sodium so I run a Spectrapure MaxCap RO/DI for my tank water. Softened water happens to be great for R/O lifespan as well.
Even if it weren't for the softener, I like the idea of starting from a known, very clean slate and creating the perfect water for what I'm keeping. It's very simple to do with a combination of GH Booster and Potassium bicarb. I'm also keen to start a reef and wouldn't bother without a great RO/DI.

For me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring.
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post #5 of 10 (permalink) Old 01-14-2014, 04:59 AM Thread Starter
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So i just found a used RO system for cheap and am going to pick it up later in the week. Its a 3 stage system.. (will save halling home a 5G bucket of water every few weeks!)

I'm not sure if i will keep doing 50/50 ro/tap or use straight ro and reminneralize.. this will be for my CRS/CBS / OEBT tanks.

What do you guys use to reminneralize the water? Is there any other things thats needed if i was to use 100% RO?


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post #6 of 10 (permalink) Old 01-14-2014, 07:42 AM
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Erm I reminerslize .. 3 stage is good .. Buy you may want to add a di pod from osmotics .co .uk less than 10 sits on top and polishes your water to absolute zero ..


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post #7 of 10 (permalink) Old 01-14-2014, 09:33 AM
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Why RO and remineralization?

Here's some pictures so you can find a us supplier..

Worth mentioning that you may or may not need these things so if, you run it for 15 mins and can't seem to get 0 tds it may be you need a new membrane .. It could be your water is too hard and you need a de ionisation pod and the flow restrictor will bulk up the psi going into your unit without having to get a booster pump..


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post #8 of 10 (permalink) Old 01-14-2014, 09:44 AM
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Cause i live in Arizona and my water is on a regular basis called liquid rock with a tds of 400-600 at any point in time.
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post #9 of 10 (permalink) Old 01-14-2014, 10:03 AM
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Poor thing, but not so bad.. Here we have 35 p.p.m no3 from the tap..


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post #10 of 10 (permalink) Old 01-14-2014, 02:46 PM Thread Starter
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My tap has a TDS of about 75. So it shouldn't have to work to hard


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