Description
This is a set of 450g volcanic rocks for water tank. It is able to absorb harmful waste to keep the water tank 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
- Color: As shown.
- Material: Volcanic rocks.
- Size: About 6x6x6cm.
Package Including
1 x Bag of Volcanic rocks
Product Dimensions | 2.36 x 2.36 x 2.36 inches; 15.87 Ounces |
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