28 gallon sponge_20160204061947

MT-208DX-S Cubey DX Replacement Sponge

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JBJ 3G Cubey Deluxe Replacement Sponge - MT-208DX-S

If you're looking for a replacement sponge for your 3G Cubey filter, you've come to the right place. Our sponges remove particulates and debris from your freshwater or saltwater aquarium. Clean water is important for your fish's or other animal's health.

The sponge in your filter should be replaced about every month. However, you should avoid switching out all of your filter media at the same time, or else you could lose too much beneficial bacteria.

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