![The importance of a pre-filter sponge. Not even one day after a WC. Only a betta, tetras, and pleco. : r/Aquariums The importance of a pre-filter sponge. Not even one day after a WC. Only a betta, tetras, and pleco. : r/Aquariums](https://i.redd.it/ym3hlakqo9r21.jpg)
The importance of a pre-filter sponge. Not even one day after a WC. Only a betta, tetras, and pleco. : r/Aquariums
![CHERLAM Aquarium Sponge Filter Pads, Fish Tank Filter Cartridge Media Accessories, Filter Floss, for Outdoor Ponds,47 * 12in - Walmart.com CHERLAM Aquarium Sponge Filter Pads, Fish Tank Filter Cartridge Media Accessories, Filter Floss, for Outdoor Ponds,47 * 12in - Walmart.com](https://i5.walmartimages.com/seo/CHERLAM-Aquarium-Sponge-Filter-Pads-Fish-Tank-Filter-Cartridge-Media-Accessories-Filter-Floss-for-Outdoor-Ponds-47-12in_0da2c719-2f39-428d-90e3-db59f9f851f4.f4a5c675664eb3f13eefd7a712aeb287.jpeg)
CHERLAM Aquarium Sponge Filter Pads, Fish Tank Filter Cartridge Media Accessories, Filter Floss, for Outdoor Ponds,47 * 12in - Walmart.com
![balacoo Sponge Filters 3pcs Aquarium Filter Floss Sponge Filters Filter Aquarium Sponge Pad Biochemical Cotton Filter Aquarium Filter Pads Aquarium Cotton Sponge Mat Filter Material White - Yahoo Shopping balacoo Sponge Filters 3pcs Aquarium Filter Floss Sponge Filters Filter Aquarium Sponge Pad Biochemical Cotton Filter Aquarium Filter Pads Aquarium Cotton Sponge Mat Filter Material White - Yahoo Shopping](https://s.yimg.com/lo/api/res/1.2/.84YmNnE2GGV85wzFnm0cQ--/YXBwaWQ9ZWNfaG9yaXpvbnRhbDtoPTQwMDtzcz0xO3c9NDAw/https://m.media-amazon.com/images/I/31RgFN2wiBL._SL500_.jpg)
balacoo Sponge Filters 3pcs Aquarium Filter Floss Sponge Filters Filter Aquarium Sponge Pad Biochemical Cotton Filter Aquarium Filter Pads Aquarium Cotton Sponge Mat Filter Material White - Yahoo Shopping
![Aquarium Filter Floss, 8d Fish Tank Filter Cotton, Fish Tank Accessories Sponge Filter For Fish Tank Filters Media And Pond, Aquarium Sponge Pad With Washable And Reusable,high Efficiency Filtration - Temu Aquarium Filter Floss, 8d Fish Tank Filter Cotton, Fish Tank Accessories Sponge Filter For Fish Tank Filters Media And Pond, Aquarium Sponge Pad With Washable And Reusable,high Efficiency Filtration - Temu](https://img.kwcdn.com/product/1e133b37f6b/ee243ebd-534b-48e5-9797-fced5b3b1b1c_800x800.jpeg?imageMogr2/auto-orient%7CimageView2/2/w/800/q/80)
Aquarium Filter Floss, 8d Fish Tank Filter Cotton, Fish Tank Accessories Sponge Filter For Fish Tank Filters Media And Pond, Aquarium Sponge Pad With Washable And Reusable,high Efficiency Filtration - Temu
![Aquarium Filter Media Pad High Density Bonded Filter Floss Roll Cut to Fit For Fish Tank Most Filters Biochemical Filter Sponge - AliExpress Aquarium Filter Media Pad High Density Bonded Filter Floss Roll Cut to Fit For Fish Tank Most Filters Biochemical Filter Sponge - AliExpress](https://ae01.alicdn.com/kf/Sc30a317225f84b0b8dbeec417622aadeo/Aquarium-Filter-Media-Pad-High-Density-Bonded-Filter-Floss-Roll-Cut-to-Fit-For-Fish-Tank.jpg)