life span? - The Planted Tank Forum
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post #1 of 3 (permalink) Old 06-08-2004, 08:46 PM Thread Starter
Join Date: May 2004
Location: North Jersey
Posts: 1
life span?

I'm new here trying to learn and start my own planted tank. I'm just really interested in growing anachris so i dont have to keep going to the pet store and buying it.

The question is how long does the subrate last? When you use things like Fluorite or eco-complete, do you have to ever change it at all? May be a silly question that's why i never posted before. I tried to check the old post, but didn't find anything. Can anyone give me an idea?
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post #2 of 3 (permalink) Old 06-08-2004, 10:37 PM
Are these real?
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Join Date: Jun 2003
Location: Monterey, CA
Posts: 15,385
Hey Jumpshot, welcome to the Planted Tank! Good question!

Most substrates last a very long time. They don't dissolve or get used up, and they can absorb and exchange nutrients. Perhaps like good wine... they become better as they age...
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post #3 of 3 (permalink) Old 06-09-2004, 03:59 PM
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Location: Lincoln, NE
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flourite would eventually need replacing - but only when you hand the tank down to your grandkids in 50 years.
for our purposes, these 2 specialty plant substrates never 'go bad'.
something like laterite DOES need to be replaced, since it's more of a clay, and will dissolve over time.

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