What Are Lava Rocks Used For?

Written by nikki walters
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What Are Lava Rocks Used For?
Lava rocks have a porous surface and their ability to retasin makes them very useful. (Thinkstock/Comstock/Getty Images)

The lava rock's formation, which happens when a gas or steam bubble expands during the rock solification process.water, allows it to be useful for a variety of applications. With lava rocks porous surface and ability to retain heat, these igneous rocks have proven to have many domestic uses They are easy to find at most garden shops.

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Lava Rocks for Saunas and Sweat Lodges

When it comes to using rocks as a heat source, not all rocks are created equal. Use the wrong rock and it could be too fragile, emit heat too quickly, or break down and release toxic vapours. Igneous rocks such as lava rocks are a good choice because they are durable and hold heat for extended periods of time.

Grilling with Lava Rocks

Igneous rocks such as lava rocks are praised by grillmasters for their ability to provide even and consistent cooking temperatures. The rocks suck up the heat from the gas streams and distribute it evenly over the grilling plane so you can utilise the entire grilling surface. Lava rocks perform best when they are distributed in one single layer on top of the gas burners. However lava rocks should only be used on grills that are designed for their use.

Lava Rocks for the Aquarium

Because of its low impact on water conditions, lava rock makes an excellent choice for aquariums. It's also heavier and can keep sea plants rooted. Lava rock's porous surface also gives it filtering capabilities good for both fresh and saltwater.

Lava Rocks as Growing Medium

Lava rocks also make an effective growing medium. It's especially good for plants like orchids, which don't like being repotted. Lava rocks don't break down as other growing mediums do. The porous surface enables it to retain water so you water less. They're especially helpful during the hot summer months when the plants dry out faster.

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