Best type of water for EI solution? - The Planted Tank Forum
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post #1 of 11 (permalink) Old 01-02-2018, 05:53 PM Thread Starter
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Best type of water for EI solution?

Should I use RODI? Distilled? Tap? Someone also said boiled and cooled. I'm planning to add a teaspoon of distilled vinegar to my micros also, would this be ok? How about preventing mould in the bottles? Thanks!
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post #2 of 11 (permalink) Old 01-02-2018, 07:13 PM
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lol @ boiled and cooled


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post #3 of 11 (permalink) Old 01-02-2018, 07:23 PM
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lol @ boiled and cooled
That helps remove chlorine from the water faster and can help degas it. Although it doesn't remove much else.
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post #4 of 11 (permalink) Old 01-02-2018, 07:27 PM
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Originally Posted by oscarlloydjohn View Post
Should I use RODI? Distilled? Tap? Someone also said boiled and cooled. I'm planning to add a teaspoon of distilled vinegar to my micros also, would this be ok? How about preventing mould in the bottles? Thanks!
I use RO water, never had an issue.

I also periodically put a cap full of excel into the solution if I keep it at room temp. Definitely keep it in the dark though. A cap full of 3% H2O2 every now and then would probably work as well. I won a beer fridge from work, so I keep my fert solutions in that now, along with some of the properly intended beverages.
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post #5 of 11 (permalink) Old 01-02-2018, 08:07 PM
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Quote:
Originally Posted by oscarlloydjohn View Post
Should I use RODI? Distilled? Tap? Someone also said boiled and cooled. I'm planning to add a teaspoon of distilled vinegar to my micros also, would this be ok? How about preventing mould in the bottles? Thanks!
That all depends on your source water. For the vast majority, tap is just fine.

Now that being said, I use RO water. Partly because I am on a well with a softener, but mostly because I just like projects.

And yes, many people add distilled vinegar to their micro solution.


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post #6 of 11 (permalink) Old 01-02-2018, 08:14 PM
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I've found RO water to be good after running into solubility issues with some of my solutions using tap water.


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post #7 of 11 (permalink) Old 01-02-2018, 10:31 PM Thread Starter
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Thanks everyone!
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post #8 of 11 (permalink) Old 01-03-2018, 09:14 PM
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Clean water.
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post #9 of 11 (permalink) Old 01-03-2018, 09:26 PM
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Also I've heard of people putting excel or similar in their mixes to prevent algae and some bacterial growth. You could keep it in a light blocking bottle too but that doesn't stop fungus/mold or bacteria from growing.
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post #10 of 11 (permalink) Old 01-03-2018, 11:55 PM
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It is generally held that RO, RO/DI, and distilled water are all 'too pure' for fish and plants as they derive necessary minerals and trace elements from the water through osmosis. For those water types, we would need to add minerals and adjust for pH in order to use them effectively.

I use my well water that is neither soft nor hard and [still] add about a tsp of Equilibrium per 5-10g of fresh well water.

Unless you have liquid rock or have 'special needs' fish, usually properly conditioned potable tap water is just fine.

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post #11 of 11 (permalink) Old 01-04-2018, 06:54 AM
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I add my fertz directly to the tank with tsp,tbsp.
Greenleaf Aquarium containers stored under the tank in cabinet.
No more difficult than feeding the fishes a pinch of food and no hassel with storage.
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distilled, ei dosing, estimative index, rodi

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