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Maintain the clarity and health of your aquarium with the Aqua One Black Sponge Pad (40S). These genuine replacement sponges are specifically engineered for the Aquis 1000 and 1200 Canister Filters, providing a critical dual-function filtration process that keeps your water crystal clear and your fish thriving.
The 35ppi (pores per inch) density is expertly balanced to capture debris while maintaining a high flow rate, ensuring your filter operates at peak efficiency.
Dual-Action Filtration: * Mechanical: The high-grade pored foam traps fine particles and organic debris as water passes through the canister.
Biological: The vast surface area within the sponge pores provides an ideal home for beneficial nitrifying bacteria, which break down toxic ammonia and nitrites.
Precision Fit: Specifically cut to fit the baskets of the Aquis 1000 and 1200 models, preventing "water bypass" and ensuring all water is properly treated.
Durable & Reusable: Made from high-quality foam that can be rinsed in aquarium water (never tap water!) and reused several times before needing replacement.
Versatile: Safe and effective for use in both freshwater and saltwater environments.
Value Pack: Includes 2 sponge pads per pack (Part #40S).
Part Number: 40S
Density: 35ppi (Medium-Fine)
Colour: Black
Compatibility: Aquis 1000, Aquis 1000 Series II, Aquis 1200, Aquis 1200 Series II
To preserve your beneficial bacteria colony, always rinse your sponge pads in a container of siphoned aquarium water during your water change. Using tap water will kill the bacteria due to the presence of chlorine. It is recommended to replace the sponge when it begins to lose its shape or becomes heavily clogged despite cleaning.


Need help with placing an order, delivery, or something else? Start with our Help Page — or message us anytime for support.
