Is it okay to pre-mix Seachem products for EI dosing? - The Planted Tank Forum
 
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post #1 of 8 (permalink) Old 05-01-2009, 08:16 PM Thread Starter
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Is it okay to pre-mix Seachem products for EI dosing?

I just recieved my Seachem nutrients and I am following EI dosing guidelines. I'm thinking about mixing the nutrients into a large batch (proper ratios of course) instead of measuring and adding each substance seperately. Has anyone tried this and is it a good idea? Thanks!
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post #2 of 8 (permalink) Old 05-02-2009, 04:15 AM
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The only two nutrients that shouldn't be mixed together are iron and phosphates. At least those are the only ones I have ever heard of a problem with mixing. An obvious question is, if you are going to pre-mix the Seachem Flourish fertilizers, why not just save a lot of money by buying KNO3 and KH2PO4, and mixing those instead? It is at least as easy to do, and costs far less money.

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post #3 of 8 (permalink) Old 05-02-2009, 05:49 AM
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The only two nutrients that shouldn't be mixed together are iron and phosphates. At least those are the only ones I have ever heard of a problem with mixing. An obvious question is, if you are going to pre-mix the Seachem Flourish fertilizers, why not just save a lot of money by buying KNO3 and KH2PO4, and mixing those instead? It is at least as easy to do, and costs far less money.
I thought that it was iron and potassium because they tend to bond together?

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post #4 of 8 (permalink) Old 05-02-2009, 05:54 AM
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No, it's iron and phosphate, as Hoppy indicated. It forms FePO4 when in high concentrations, as would be the case if premixing for dosing.

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post #5 of 8 (permalink) Old 05-02-2009, 05:57 AM
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No, it's iron and phosphate, as Hoppy indicated. It forms FePO4 when in high concentrations, as would be the case if premixing for dosing.
oh, I coulda sworn texgal said it was iron and potassium lol. blame her!

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post #6 of 8 (permalink) Old 05-02-2009, 06:04 AM
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It happens a lot, unfortunately.

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post #7 of 8 (permalink) Old 05-03-2009, 07:24 PM
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It happens a lot, unfortunately.
You mean, blaming TexGal? Well, I suppose we can always use a good all-purpose scapegoat here. Volunteers??

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post #8 of 8 (permalink) Old 05-03-2009, 07:26 PM
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You mean, blaming TexGal? Well, I suppose we can always use a good all-purpose scapegoat here. Volunteers??
hahaha, that actually made me lol

-Chris

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