Red Lava Rock 6-9mm 5kg Aquarium Filter Media, For Aquatic Plant Growth, Bacteria Colonization, Aquarium Layout Stone

Porous Structure This 6-9mm red lava rock has a porous structure that promotes bacteria colonization, keeping aquarium water clean. Contributes to water purification, providing an optimal environment for freshwater fish and shrimp.

Material The reddish-brown volcanic lava rock adds texture to the aquarium and serves as a hiding place for small fish and shrimp. Adds depth and beauty to aquarium layouts.

Aquatic Plant Growth The 5kg red lava gravel helps root growth of aquatic plants, functioning as a stable substrate. Supports aquatic plant growth, recommended for aquarium enthusiasts.

Also as Filter Media Lava rock promotes bacteria colonization and is also effective as a filter media that helps purify water.

Pre-Washed Includes 2268g each of pre-washed red lava rock (6-9mm) and stream stone (0.5-1.5cm), ready to be added to the aquarium immediately after opening.