Does Fuorite and similar ever get "used up?" - The Planted Tank Forum
 
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post #1 of 9 (permalink) Old 04-24-2012, 07:03 PM Thread Starter
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Question Does Fuorite and similar ever get "used up?"

I have Profile in my tanks. It's mostly getting onto 10 years old now. Does it ever need to be replaced?

[edit] Ugh, "Fluorite." Lesson: proofread your titles.
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post #2 of 9 (permalink) Old 04-24-2012, 07:52 PM
Obsessed? Maybe
 
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Flourite is inert and contains nothing that's really usable for plants. So there's nothing to really "use up."

You have to provide your own fertilization - either via root fertilizers in the form of tabs or from dosing fertilizers in the water column.

It can break down over time and continued use, if that's what you're asking.
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post #3 of 9 (permalink) Old 04-24-2012, 08:48 PM
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Yea, it won't ever break down since it's inert. I do find that I need to add some flourite back every once in a while though. Everytime I take out moss tiles to trim I always lose a few pieces that the moss clings too.

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post #4 of 9 (permalink) Old 04-24-2012, 08:51 PM
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Just don't mix it with anything other than root tabs. I mixed mine with gravel as a noob, and now I hate it.
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post #5 of 9 (permalink) Old 04-24-2012, 09:02 PM Thread Starter
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Hmm, what about all this ion exchange stuff, though? I never took chemistry, so I'm clueless. I know I used this chart long ago to decide which substrate to go with, and it talked about calcium and iron, blah, blah. This stuff can't be just like plain gravel with all the cost of it, can it?

[edit] Not ions but "Cation Exchange Capacity (CEC.)"
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post #6 of 9 (permalink) Old 04-24-2012, 09:58 PM
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Basically the draw for using fluorite is the CEC or "sponge" effect. It has the ability to hold onto nutrients until the plants can use them.
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post #7 of 9 (permalink) Old 04-24-2012, 10:03 PM Thread Starter
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Quote:
Originally Posted by Bandit1200 View Post
Basically the draw for using fluorite is the CEC or "sponge" effect. It has the ability to hold onto nutrients until the plants can use them.
Ah, ok, so it refreshes? Like the way you can recharge ammo-chips with aquarium salt?
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post #8 of 9 (permalink) Old 04-24-2012, 10:36 PM
Obsessed? Maybe
 
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Not exactly. It just soaks up nutrients and slowly releases them over time.
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post #9 of 9 (permalink) Old 04-24-2012, 10:50 PM Thread Starter
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Awesome. Thx!
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