






Aquarium Filter Sponge - SpongeFirst - Biological and Mechanical Aquarium Sponge Filter Pad for Clear Water
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IMPROVE WATER CLARITY: SpongeFirst foam pads complex structure easily traps particles and floating debris from the aquarium and/or terrarium water producing clear water. SpongeFirst is a foam filter sponge constructed to promote water flow and at the same time prevent premature clogging.
FOR BIOLOGICAL FILTRATION: Our SpongeFirst aquarium foam filter sponge has plenty of surface area to create superior biological filtration. Beneficial nitrifying bacteria grow on the aquarium filter sponge to reduce ammonia and nitrite, improving water quality. Our SpongeFirst Filter Pad is 1" thick.
CUT TO FIT - SpongeFirst foam filter pads can easily be CUT-TO-FIT MOST FILTERS including hang on the back, canister filters, wet/dry filters, sumps, pond filters, and much more. Buying in bulk WILL SAVE YOU EVEN MORE MONEY over purchasing ready-made pre-cut filter material.
DURABLE AND EASY TO CLEAN: Our sponge filters are made to last a long time. The dense structure of our SpongeFirst foam pad media prevents tearing, making them easy to clean and reuse. We make our foam tight enough to hold beneficial bacteria yet open enough for waste to be easily rinsed away.
ENVIRONMENTALLY FRIENDLY: Our sponge pad is completely non-toxic and 100% safe for saltwater and freshwater fish aquariums and terrarium tanks. Made in the USA!
Frequently Asked Questions
Our Classic Filter pads are designed to flow and filter water exactly the same through either side.
You can rinse our ClassicBlue filter pad in a sink. As water flows through it, you can gently squeeze it and you will see a bunch of trapped particles being rinsed out. Depending on your filtration, it can be cleaned and reused a few times.
Yes, the water needs to flow through ClassicBlue pad then through our polishing pad.
Our ClassicBlue Bonded filter pad has an open fiber network which traps small to large particles while our FilterFirst Premium density filter pad has a layer to trap small and large particles as well as a dense bottom later which traps fine particles.
Blue dye will stay on our filter pads because we mix our dye with waterproof glue not water-resistant glue.
Dependable Products For All Types Of Aquariums and Ponds
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