Juwel Fine Foam Pad Compact Standard Jumbo Blue Sponge Genuine Filter HD

Juwel Coarse Filter Sponge - the fine and coarse blue filter sponges contain the majority of the beneficial bacteria which are responsible for keeping the aquarium water clean and healthy. You can gently rinse the blue sponges(s) in aquarium water, not tap water, every 2 months.

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