Shop Aquarium Filtration — Canister, HOB, Sponge & Internal Filters
Shop aquarium filters for freshwater fish tanks, planted aquariums, shrimp tanks, and community aquariums. Browse sponge filters, canister filters, hang-on-back filters, internal filters, filter media, and filtration accessories from trusted brands including Aquarium Co-Op, Fluval, Eheim, Sicce, Aquatop, and more.
Build a cleaner, healthier aquarium with our complete selection of aquarium filters and filtration systems — including canister filters, hang-on-back (HOB) filters, sponge filters, internal filters, and the filter media that powers them all. Strong filtration is one of the biggest factors in long-term aquarium success: it removes waste, keeps water crystal clear, and grows the beneficial bacteria your fish depend on.
Shop aquarium filters and filtration systems for freshwater fish tanks, including canister filters, hang-on-back filters, sponge filters, internal filters, and aquarium filter media.
Canister filters lead our lineup for serious aquarists. They deliver the highest filtration volume, longest media capacity, and quietest operation of any filter style — perfect for planted tanks, cichlid setups, and any aquarium 40 gallons or larger.
Canister Filters • HOB Filters • Sponge Filters • Internal Filters • Aquarium Filter Media
🔧 Popular Filter Types
- ✔ Canister Filters — Maximum capacity, multi-stage media, hidden under the tank; best for 40+ gallon and heavily-stocked aquariums
- ✔ Hang-on-Back (HOB) Filters — Easy to maintain and clean; great all-around choice for community tanks
- ✔ Sponge Filters — Gentle, shrimp- and fry-safe biological filtration; ideal for breeding and nano tanks
- ✔ Internal Filters — Compact, fully submerged; perfect for small tanks and quarantine setups
- ✔ Filter Media — Mechanical, biological, and chemical media to fine-tune any system
🌿 Why Canister Filters Are Great for Planted & Larger Tanks
Canister filters move large volumes of water with minimal surface agitation, which keeps CO₂ in the water column — exactly what your live aquarium plants need to thrive. You can also customize the media stack with your favorite mechanical, biological, and chemical layers, giving you far more control than any HOB.
⭐ Why Strong Filtration Matters
💧 Clear, sparkling water year-round
🦠 Supports beneficial bacteria that convert harmful ammonia and nitrite during the nitrogen cycle
🐟 Healthier fish, shrimp, and plants
🤫 Quieter, more efficient operation (especially canisters)
🔁 Easier maintenance with the right media setup
⚠️ Sizing Your Filter
A good rule of thumb is to turn over your tank's water 4–6× per hour. For a 40-gallon aquarium, look for filters rated for 160–240 GPH. Heavily stocked tanks (cichlids, large community) benefit from going one size up. Sponge filters paired with air pumps are great supplemental filtration on any tank.
🛠 What to Pair With Your Filter
📍 Shop Local or Online
Based in Cheyenne, Wyoming, we stock canister, HOB, sponge, and internal filters in-store and online. Need help picking the right system? Stop in and we'll walk you through what works best for your tank size and livestock.
🧽 Sponge Filters
- Aquarium Co-Op
- Shrimp tanks
- Fry tanks
- Breeding tanks
🛢️ Canister Filters
- Fluval
- Eheim
- Aquatop
- Sicce
🔙 Hang-On-Back Filters
- AquaClear
- Sicce Aqua Filtra
📦 Internal Filters
- Nano tanks
- Quarantine tanks
🔍 Frequently Asked Questions
Is a canister filter worth it for my aquarium?
Yes — for tanks 40 gallons and up, or any planted or heavily-stocked setup, a canister filter delivers more capacity, quieter operation, and longer maintenance intervals than HOB filters.
What's the difference between HOB and canister filters?
HOB filters hang on the back of your tank and are simpler to clean. Canister filters sit hidden below the tank, hold more media, and process more water — making them the better choice for larger or planted aquariums.
Can I use a sponge filter as my only filtration?
On nano, shrimp, and breeding tanks, yes — sponge filters provide excellent biological filtration. On larger or heavily-stocked tanks, use one alongside a HOB or canister.
How often should I clean my aquarium filter?
Rinse mechanical media every 2–4 weeks in old tank water. Biological media should only be replaced when it physically breaks down — never wash it in tap water.
Will a new filter cycle my tank instantly?
A new filter does not instantly cycle an aquarium. Most new tanks take several weeks to establish beneficial bacteria, though seeded media or bottled beneficial bacteria can help speed up the process.
What type of aquarium filter is best?
The best filter depends on your tank. Canister filters suit larger and planted aquariums, hang-on-back filters work well for most community tanks, sponge filters are ideal for shrimp, fry, and breeding tanks, and internal filters are great for nano and quarantine setups.
Are sponge filters enough for a fish tank?
For nano, shrimp, fry, and lightly stocked tanks, a sponge filter provides excellent biological and gentle mechanical filtration. Heavily stocked or larger tanks usually benefit from added canister or HOB filtration.
What's the difference between canister and HOB filters?
Canister filters sit hidden under the tank and offer high capacity with multi-stage media for larger or planted aquariums, while hang-on-back filters mount on the rim, are easy to maintain, and are a great fit for most community tanks.
What size filter do I need?
A good rule of thumb is to turn over your tank's water 4–6× per hour. Match or slightly exceed your aquarium volume in filter flow rate, and size up for planted or heavily stocked tanks.
Explore related collections: Sponge Filters | Aquarium Air Pumps | Aquarium Heaters | Aquarium Substrate | Beneficial Bacteria | Aquarium Maintenance
Aquarium hobbyists from Cheyenne, Casper, Laramie, Fort Collins, Greeley, Scottsbluff, and surrounding communities shop Tropical Treasures Wyo for aquarium filters, filtration systems, and expert advice.>
