Skip to content
  • 💳 Get the most for your money with big discounts and free shipping on orders over $25! 💳
  • 💳 Get the most for your money with big discounts and free shipping on orders over $25! 💳
Penn-Plax StorePenn-Plax Store
  • Fish
    • Décor
    • Cleaners & Pumps
    • Filters & Media
    • Heating & Lighting
    • Tanks & Aquariums
  • Bird
    • Shop by Bird
    • Treats
    • Litter & Nesting
    • Cages & Accessories
  • Dog
    • Toys
    • Leashes, Collars & Harnesses
    • Grooming
    • Cleaning & Potty
    • Beds
    • Healthcare
  • Cat
    • Trees, Condos & Scratchers
    • Litter & Accessories
    • Toys
    • Beds
  • Reptile
    • Shop by Reptile
    • Décor & Accessories
    • No products in the cart.

      Return to shop

  • Cart

    No products in the cart.

    Return to shop

 

Penn-Plax Cascade Bio-Sponge 500 Aquarium Filter

Home / Fish / Filters & Media / Filters
Sale!
Penn-Plax Cascade Bio-Sponge 500 Aquarium Filter

$5.01 Original price was: $5.01.$4.11Current price is: $4.11.

SKU: Penn-Plax 186535 Categories: Filters, Filters & Media, Fish
  • Shop with confidence, enjoy free returns.
  • Unbeatable Quality Guaranteed
  • Get Quality, Get More
  • Satisfaction Guaranteed
Browse
  • Bird
    • Cages & Accessories
      • Covers & Accessories
    • Litter & Nesting
    • Shop by Bird
      • Cockatiel
      • Lovebird
      • Parakeet
      • Parrot
      • Wild Bird
    • Treats
  • Cat
    • Beds
    • Litter & Accessories
      • Litter Box Enclosures
    • Toys
      • Balls & Chasers
      • Plush & Mice Toys
    • Trees, Condos & Scratchers
      • Modern Furniture
      • Scratching Posts
      • Trees & Condos
  • Dog
    • Beds
      • Large Beds
    • Cleaning & Potty
      • Vacuums & Steam Cleaners
    • Grooming
      • Brushes & Combs
      • Grooming Tools
      • Paw & Nail Care
    • Healthcare
      • Dental Care
    • Leashes, Collars & Harnesses
      • Collars
      • ID Tags & Accessories
      • Leashes
    • Toys
      • Plush Toys
      • Rope & Tug Toys
  • Fish
    • Cleaners & Pumps
      • Air Pumps & Air Stones
      • Brushes & Cleaners
      • Vacuums
    • Décor
      • Artificial Plants
      • Backgrounds & Wood
      • Ornaments
    • Filters & Media
      • Filter Cartridges
      • Filter Parts & Accessories
      • Filters
    • Heating & Lighting
      • Heaters & Thermometers
      • Light Fixtures
    • Tanks & Aquariums
  • Reptile
    • Décor & Accessories
    • Shop by Reptile
      • Frog
      • Hermit Crab
      • Lizard
      • Turtle
  • Uncategorized
  • Description
  • Reviews (0)

Details

  • Helps keep your aquarium water clean for your finned friends.
  • Designed to eliminate nitrites and ammonia.
  • Removes unpleasant odors from your tank.
  • Designed for the Cascade 500 model.
  • Comes with 1, medium-sized filter.

Help keep your underwater buddies’ aquarium in tip-top condition with the Penn-Plax Cascade Bio-Sponge 500 Aquarium Filter! This canister filter is designed to be used in the Cascade 500 model. It can help optimize the colonization of beneficial aerobic bacteria while removing nitrites and ammonia, keeping your tank free from unpleasant odor and grime. Every purchase comes with 1 medium filter.

Specifications

Item Number 186536
Aquarium Type Freshwater
Fish Type N/A, Betta, Cichlid, Goldfish, Marine Fish, Tropical Freshwater
Material Plastic

Instructions

Rinse and squeeze.

Reviews

There are no reviews yet.

Be the first to review “Penn-Plax Cascade Bio-Sponge 500 Aquarium Filter” Cancel reply

Related products

Sale!
Penn-Plax Deluxe Bubble Disk
Quick View

Air Pumps & Air Stones

Penn-Plax Deluxe Bubble Disk

$5.36 – $9.65Price range: $5.36 through $9.65
Sale!
Penn-Plax SpongeBob Krusty-Krab Aquarium Ornament
Quick View

Décor

Penn-Plax SpongeBob Krusty-Krab Aquarium Ornament

$7.83 Original price was: $7.83.$5.95Current price is: $5.95.
Sale!
Penn-Plax Nautical Aquarium Ornament Kit
Quick View

Décor

Penn-Plax Nautical Aquarium Ornament Kit

$24.71 Original price was: $24.71.$19.03Current price is: $19.03.
Sale!
Penn-Plax Cascade Aquarium Bio-Sponge 700 & 1000 Filter
Quick View

Filters

Penn-Plax Cascade Aquarium Bio-Sponge 700 & 1000 Filter

Rated 4.75 out of 5
$6.07 – $11.54Price range: $6.07 through $11.54
Sale!
Penn-Plax Cascade Aquarium Bio-Sponge 1200 & 1500 Filter, Medium
Quick View

Filters

Penn-Plax Cascade Aquarium Bio-Sponge 1200 & 1500 Filter, Medium

$7.49 Original price was: $7.49.$6.14Current price is: $6.14.
Sale!
Penn-Plax Grey Submarine Coral Aquarium Ornament
Quick View

Décor

Penn-Plax Grey Submarine Coral Aquarium Ornament

$48.39 Original price was: $48.39.$38.23Current price is: $38.23.
Sale!
Penn-Plax SpongeBob with Swim Through Golden Edition Aquarium Ornament
Quick View

Décor

Penn-Plax SpongeBob with Swim Through Golden Edition Aquarium Ornament

$17.81 Original price was: $17.81.$14.43Current price is: $14.43.
Sale!
Penn-Plax Premium Underground Aquarium Filter
Quick View

Filters

Penn-Plax Premium Underground Aquarium Filter

Rated 4.62 out of 5
$8.33 – $19.93Price range: $8.33 through $19.93
MY ACCOUNT
  • My account
  • Wishlist
  • Checkout
  • Cart
ABOUT US
  • About Us
  • Returns & Exchanges
  • Delivery
  • FAQ
  • Contact Us
LEGAL
  • Privacy Policy
  • Shipping & Returns
  • Payment Method
  • Term and Conditions
Signup for Newsletter

Subscribe to get special offers, free giveaways, and once-in-a-lifetime deals.

    Copyright 2026 © www.pennplaxus.com
    • Fish
      • Décor
      • Cleaners & Pumps
      • Filters & Media
      • Heating & Lighting
      • Tanks & Aquariums
    • Bird
      • Shop by Bird
      • Treats
      • Litter & Nesting
      • Cages & Accessories
    • Dog
      • Toys
      • Leashes, Collars & Harnesses
      • Grooming
      • Cleaning & Potty
      • Beds
      • Healthcare
    • Cat
      • Trees, Condos & Scratchers
      • Litter & Accessories
      • Toys
      • Beds
    • Reptile
      • Shop by Reptile
      • Décor & Accessories
    • Login

    Login

    Lost your password?

    Register

    Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy.