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post #1 of 3 (permalink) Old 02-24-2010, 04:50 AM Thread Starter
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so what would happen if?

I were to add iron and phosphates together? I understand they become an insoluble precipitate. Does this mean they just cancel each other out?
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post #2 of 3 (permalink) Old 02-24-2010, 06:29 AM
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I've also had a related question. If I add iron one day and phosphate the next, does the phosphate cancel out any remaining iron?
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post #3 of 3 (permalink) Old 02-24-2010, 12:30 PM
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Quote:
Originally Posted by neoh View Post
I were to add iron and phosphates together? I understand they become an insoluble precipitate. Does this mean they just cancel each other out?
A precipitate means that the two ionic species are no longer in solution, and thus, inaccessible to plants for uptake.
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Originally Posted by cjp999 View Post
I've also had a related question. If I add iron one day and phosphate the next, does the phosphate cancel out any remaining iron?
However, many people alternate days for dosing iron and phosphate with no ill effects. This is because once they are in your aquarium, the volume of water is much higher, and the chemicals will be diluted, affording less of a chance for precipitation to occur.

Storing the two, however, is not recommended.

Anthony


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