Why put lava rock beneath ADA Aquasoil? - The Planted Tank Forum
 
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post #1 of 11 (permalink) Old 04-02-2013, 04:03 AM Thread Starter
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Why put lava rock beneath ADA Aquasoil?

I've seen some tanks where people put FloraMax or crushed lava rock in their shrimp tanks underneath the aquasoil but why would you do that? Is the purpose just to maintain a nice slope? I was thinking more beneficial bacteria but I'm not sure.

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post #2 of 11 (permalink) Old 04-02-2013, 04:11 AM
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If they are using an undergravel filter they don't want the ADA to be directly exposed to the undergravel filter because it will decay and wear out and turn to mush too quickly. So the lava rock serves as a barrier between the ADA soil and the UGF.

It can also be used for sloping issues or for extra beneficial bacteria or for many other reasons.
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post #3 of 11 (permalink) Old 04-02-2013, 04:13 AM Thread Starter
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So is it recommended to add some if available? I don't have a UGF but I might do it for the slope.


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post #4 of 11 (permalink) Old 04-02-2013, 04:16 AM
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I wouldn't mix substrates unless you have a real good reason to do so.

It won't hurt anything but it might drive you crazy if they mix near the surface and look funny.
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post #5 of 11 (permalink) Old 04-02-2013, 04:21 AM
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I wouldn't mix substrates unless you have a real good reason to do so.

It won't hurt anything but it might drive you crazy if they mix near the surface and look funny.

The only time you should be really worried about mixing substrates is if its like another type of soil that buffers or FSS

If its some thing like lava rocks which don't really do any thing to the water except house beneficial bacteria you should be fine.
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post #6 of 11 (permalink) Old 04-02-2013, 04:40 AM
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I do it as a filler for slopes and scapes.


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post #7 of 11 (permalink) Old 04-02-2013, 04:43 AM
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The only time you should be really worried about mixing substrates is if its like another type of soil that buffers or FSS

If its some thing like lava rocks which don't really do any thing to the water except house beneficial bacteria you should be fine.
Until they inevitably mix together and drive him nuts.

Why over complicate things if you don't have to.

If you need to mix substrates (and I have done so in various fashions) then you know that you need to do so and why.

If you don't have a good reason for doing it then why go to the trouble?
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post #8 of 11 (permalink) Old 04-02-2013, 04:46 AM
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Lava rock is usually use to save soil when making slopy scape.


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post #9 of 11 (permalink) Old 04-02-2013, 07:33 PM Thread Starter
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Since I have plenty of soil I guess the answer is no.


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post #10 of 11 (permalink) Old 04-02-2013, 10:14 PM
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I do it as a filler for slopes and scapes.
+1

As I do.




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post #11 of 11 (permalink) Old 04-02-2013, 11:42 PM
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Why put lava rock beneath ADA Aquasoil?

I also use left over rocks to fill up deep substrates. It doesn't hurt anything

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