What Can Grow on Lava Rock

Re: What Can Grow on Lava Rock#302440

By KategoricalKarnivore -  Thu Aug 31, 2017 3:05 am
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- Thu Aug 31, 2017 3:05 am #302440

Hey Bob do you have any experience with Texas holey rock like this. I have a few chunks I would love to grow pings on.

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A garden to walk in and immensity to dream in--what more could he ask? A few flowers at his feet and above him the stars.
Victor Hugo, Les Misérables

Re: What Can Grow on Lava Rock#302441

By Raistlarn -  Thu Aug 31, 2017 3:08 am
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- Thu Aug 31, 2017 3:08 am #302441

Isn't that the kind of rock that you can find next to the ocean on some places? If so I'd probably avoid it, because of salt accumulation.

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Re: What Can Grow on Lava Rock#302444

By KategoricalKarnivore -  Thu Aug 31, 2017 3:15 am
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- Thu Aug 31, 2017 3:15 am #302444

Raistlarn wrote:Isn't that the kind of rock that you can find next to the ocean on some places? If so I'd probably avoid it, because of salt accumulation.

No its limestone that has been underground for thousands or maybe millions of years. It's left over remnants from the ocean that used to cover the middle of the US. The holes are from water slowly dissolving the rock away over thousands of years. There are a few areas in the middle of Texas where this rock is now exposed on the surface. It is used in freshwater aquariums all the time. No left over salts in it.

A garden to walk in and immensity to dream in--what more could he ask? A few flowers at his feet and above him the stars.
Victor Hugo, Les Misérables

Re: What Can Grow on Lava Rock#302446

By Raistlarn -  Thu Aug 31, 2017 3:22 am
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- Thu Aug 31, 2017 3:22 am #302446

Hmm. I just had to ask, because on the west coast we have limestone like that near the ocean, but it's holey from the ocean chewing it up.

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Re: What Can Grow on Lava Rock#302448

By KategoricalKarnivore -  Thu Aug 31, 2017 3:47 am
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Joined:  Wed Aug 24, 2016 5:00 pm

- Thu Aug 31, 2017 3:47 am #302448

Ah cool. Thanks for the response. Ever heard of people using it for pings?

A garden to walk in and immensity to dream in--what more could he ask? A few flowers at his feet and above him the stars.
Victor Hugo, Les Misérables

Re: What Can Grow on Lava Rock#303040

By Raistlarn -  Wed Sep 06, 2017 5:51 am
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- Wed Sep 06, 2017 5:51 am #303040

Has anyone tried Feather Rock? Here is the description from a landscape site: Feather Rock is charcoal and silver grey in color with a sharp, course texture and irregular shape. They are products of a rare volcanic occurrence, formed by a molten lava flow which trapped air that later escaped during the cooling stage.

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Re: What Can Grow on Lava Rock#303065

By Bob Beer -  Wed Sep 06, 2017 4:50 pm
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- Wed Sep 06, 2017 4:50 pm #303065

I'm trying it now. Evidently there are a couple of different things that get called feather rock.

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Re: What Can Grow on Lava Rock#303066

By Raistlarn -  Wed Sep 06, 2017 4:54 pm
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- Wed Sep 06, 2017 4:54 pm #303066

For some odd reason I'm not too surprised. Lol

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Re: What Can Grow on Lava Rock#303388

By Raistlarn -  Sun Sep 10, 2017 3:05 pm
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- Sun Sep 10, 2017 3:05 pm #303388

I just went to the landscape store that sells feather rock, and it is pumice. I also learned one thing from this venture other than feather rock is pumice, and that is wear gloves when handling pumice. Pumice is pretty sharp.

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Re: What Can Grow on Lava Rock#303413

By Bob Beer -  Mon Sep 11, 2017 7:22 am
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- Mon Sep 11, 2017 7:22 am #303413

Oops my bad, the other one I'm trying is lace rock. It's a lot heavier than pumice and actually refers to a couple of different things. It doesn't wick quite as effectively as pumice but it holds water quite well. I think a growth of moss on it would help the water wick farther up.

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Re: What Can Grow on Lava Rock#302440

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Re: What Can Grow on Lava Rock#302441

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Re: What Can Grow on Lava Rock#302446

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Re: What Can Grow on Lava Rock#303040

Re: What Can Grow on Lava Rock#303065

Re: What Can Grow on Lava Rock#303066

Re: What Can Grow on Lava Rock#303388

Re: What Can Grow on Lava Rock#303413

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