The Planted Tank Forum - View Single Post - Suggestions/thoughts/help please
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Old 01-19-2013, 01:32 PM   #5
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Nope, no need to cap Flourite. It's an inert substrate that contains no real nutrients for your plants. It does have a high CEC rate, though, so it will absorb nutrients and release them slowly over time.

Originally Posted by schoolzoo View Post
I thought that I read somewhere that it needed to be capped.
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