Washable Sponge (Blue & Black)

Purpose:
These sponges are designed to provide mechanical and biological filtration in your aquarium. They trap debris and allow beneficial bacteria to thrive, which helps maintain water clarity and a healthy environment for fish.

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🔹 Color Significance

• Blue Sponge: Typically medium to coarse density. Great for mechanical filtration, trapping larger particles and providing good flow.

• Black Sponge: Usually fine to medium density. Offers better biological filtration due to more surface area for bacteria colonization.

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✅ Key Features

• Washable & Reusable: Can be rinsed under aquarium water (not tap water) and reused multiple times.

• Cut-to-Size: Many come in sheets or blocks that can be trimmed to fit any filter (e.g., canister, internal, HOB).

• Safe Material: Non-toxic, fish-safe foam.

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📏 Common Sizes

• Sheet dimensions: e.g., 11.8” x 7.8” x 1”

• Pore density: Coarse (10–20 PPI), Medium (20–30 PPI), Fine (30–50 PPI)

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🔄 Cleaning Tip

• Rinse gently in a bucket of used aquarium water during water changes to preserve beneficial bacteria.

• Replace after several months when it starts to deteriorate or lose shape.