Juwel bioPlus Fine Filter Sponge Size:Large helping reef and marine aquarists

helping reef and marine aquarists identify elevated phosphate levels before they contribute to undesirable algae growth or affect corals and calcareous algae

Do not use if the water temperature is above 30 °C (86 °F)

and non-photosynthetic corals for vitality

amino acids and fatty acids formulated to supply nutrients available from natural tropical reef waters

Juwel bioPlus Fine Filter Sponge Size:Large helping reef and marine aquaristsJuwel bioPlus Fine Filter Sponge Juwel bioPlus Fine Filter Sponge is a fine pore aquarium filter medium designed for biological filtration in Juwel filter systems. It is suited to freshwater and saltwater aquarium keepers who want to support slow, even water flow through the biological filtration area without introducing chemical residue. Key Benefits Provides biological filtration characteristics for aquarium filtration. Fine pore structure creates a