Lava hard scape pave rocks... Safe for tanks?
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Old 10-29-2013, 09:31 PM   #1
Charrr89
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Lava hard scape pave rocks... Safe for tanks?


So I purchased some at an unbelievable $2! For the amount I got, if I went to a lfs would have costed me like $40. The employee said it was safe but I wanted another opinion before i take the plunge. I will soak it in water for a bit as he recommended.... But someone else Lso told me that it will leech all kinds of bad stuff.. Any opinions?


Sent from my iPod touch using Tapatalk - now Free this is the only picture I have at the moment..
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Old 10-29-2013, 09:35 PM   #2
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Not sure if it is the same thing, but I use the small lava rock from lowes in some of my aquariums with no ill effects. I just rinse it off before use. I also attached my java fern to a piece.
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Old 10-29-2013, 09:56 PM   #3
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Show us a picture?
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Old 10-29-2013, 09:59 PM   #4
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Show us a picture?
Image posted
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Old 10-29-2013, 10:00 PM   #5
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Originally Posted by Fishnshrimp2 View Post
Not sure if it is the same thing, but I use the small lava rock from lowes in some of my aquariums with no ill effects. I just rinse it off before use. I also attached my java fern to a piece.
The employee told me they package rocks and such for lowes and stuff... Did you soak yours? I plan to use my rocks in a shrimp tank... It scares me a little though because the shrimp are far more important than me than te rocks
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Old 10-29-2013, 10:04 PM   #6
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Those are nice! Where did you get them?

I've used lava rock without issue.

Last edited by Aplomado; 10-29-2013 at 10:05 PM.. Reason: more info
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Old 10-29-2013, 10:07 PM   #7
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If it's lava rock, it should be just fine, and generally won't leach anything.

Most lava rock is basically the same mineral composition as basalt, just full of bubbles and cooled to quickly for visible crystals to form. Not real sure what type you have, it looks a bit lighter then typical basalt. Probably something more like granite/diorite or something. Nothing that can really leach out of it.

About the only exception I can think of is if the lava rock was gathered from a carbonate-rich area, and some of the carbonates had washed over/deposited on the lava rock, but that would probably be visible.

It might be worth soaking and scrubbing with a brush if it looks dirty, but other then that, should be good to put in the tank.
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Old 10-30-2013, 06:44 PM   #8
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Those are nice! Where did you get them?

I've used lava rock without issue.
Here in hawAii we have a hard scaping store called "geobunga" the guy is nice... I even picked up some "fish safe root tabs" I'm not sure what I'm going to test it on

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If it's lava rock, it should be just fine, and generally won't leach anything.

Most lava rock is basically the same mineral composition as basalt, just full of bubbles and cooled to quickly for visible crystals to form. Not real sure what type you have, it looks a bit lighter then typical basalt. Probably something more like granite/diorite or something. Nothing that can really leach out of it.

About the only exception I can think of is if the lava rock was gathered from a carbonate-rich area, and some of the carbonates had washed over/deposited on the lava rock, but that would probably be visible.

It might be worth soaking and scrubbing with a brush if it looks dirty, but other then that, should be good to put in the tank.
Thanks.. I'm replacing my Ohko stone. Sadly can't afford to buy more Ohko stone as why I'm switching out for these lava rocks... Ohko stones r beautiful but also hard to find nice pieces you can work with... Plus mine are covered in fissidens! Haha
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Old 10-30-2013, 08:26 PM   #9
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I have these same rocks in my pond. It's about 75 gallons and I uesd the rock to line the bottom and sides.
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Old 10-30-2013, 08:42 PM   #10
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Quote:
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The employee told me they package rocks and such for lowes and stuff... Did you soak yours? I plan to use my rocks in a shrimp tank... It scares me a little though because the shrimp are far more important than me than te rocks
My rocks were the red lava rock. I just rinsed them off with water and a new toothbrush() because they were a little dusty from shipping. My shrimp love them.
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