Description

. This is a set of 450g volcanic rocks for water . It is able to absorb harmful waste to keep the water in stable condition. Can be used as filter material for drinking water and feeding water, can store out of trace elements, oxygen, water balance

Features

- It can be used as filtering media or fish decoration.

- Breathable water permeability is good, help to cultivate and produce.
- is suitable for all marine and fresh water aquariums.
- The surface covered with many pores.
- It is able to absorb waste to keep the water in stable condition.
- Color: As shown.
- Material: Volcanic rocks.
- Size: About 6x6x6cm.
filter

1 x Bag of Volcanic rocks

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