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Ista Super Bacteria PM Rods Ista Super Bacteria PM Rods - like Bakki
Street Price: $3.49
Our Price: $2.75
424 in stock!
(7)
Aquarium Filter Poly Pads 15g Poly Pads 15g Filter Wool Media
Street Price: $5.50
Our Price: $3.47
24 in stock!
Sponge Sheet 15cm X 10cm X 2.5cm Sponge Sheet 15cm X 10cm X 3cm
Street Price: $5.50
Our Price: $3.50
(Out of Stock)
(2)
Filtration Bag for Resins and Carbon Resin Media Filtration Bag for Resin Media
Street Price: $5.01
Our Price: $4.00
112 in stock!
(33)
Bakki Rods (Bacteria House Bio Rods) Full Version Bakki Rods (Bacteria House Bio Rods) Full Version
Street Price: $6.50
Our Price: $4.95
60 in stock!
(2)
AquaClear 20 Replacement Foam Sponge Block AquaClear 20 Replacement Foam Sponge Block
Street Price: $6.95
Our Price: $4.95
4 in stock!
(2)
Fluval U1 Internal Filter Replacement Foam Sponge Fluval U1 Internal Filter Replacement Foam Sponge
Street Price: $8.95
Our Price: $4.95
4 in stock!
Serenity Small Sponge Filter SMXY-180 - Ideal for tanks up to 100l Serenity Small Sponge Filter SMXY-180 - Ideal for tanks up to 100l
Street Price: $7.70
Our Price: $4.95
2 in stock!
(2)
Serenity Nano Sponge Filter SMXY-2835 - Ideal for tanks up to 40l Serenity Nano Sponge Filter SMXY-2835 - Ideal for tanks up to 40l
Street Price: $5.95
Our Price: $4.95
(Out of Stock)
(2)
Serenity Oxygen Block 20g Serenity Oxygen Block 20g
Street Price: $4.95
Our Price: $4.95
16 in stock!
Micro Sponge Filter XY-2835 Suit aquariums up to 40 Liters Micro Sponge Filter XY-2835
Street Price: $8.95
Our Price: $5.01
(Out of Stock)
(6)
Ista Small Single Bio Sponge Filter for tanks Ista Small Single Bio Sponge Filter for tanks
Street Price: $8.50
Our Price: $5.49
(Out of Stock)
(4)
Mini Sponge Filter XY-2836 Suit aquariums up to 80 Liters Mini Sponge Filter XY-2836
Street Price: $6.94
Our Price: $5.50
(Out of Stock)
(2)
Single Sponge Intake Filter XY-2830 Single Sponge Intake Filter XY-2830
Street Price: $8.95
Our Price: $5.50
11 in stock!
Pet Worx 800 /1200lph Canister Replacement Sponge Pet Worx 800 /1200lph Canister Replacement Sponge
Street Price: $6.50
Our Price: $5.50
(Out of Stock)
Pet Worx 1800 /2200lph Canister Replacement Sponge Pet Worx 1800 /2200lph Canister Replacement Sponge
Street Price: $6.50
Our Price: $5.50
2 in stock!
AquaClear 30 Replacement Foam Sponge Block AquaClear 30 Replacement Foam Sponge Block
Street Price: $6.95
Our Price: $5.50
17 in stock!
AquaClear 20 Replacement Ammo Rid 100g Ammonia AquaClear 20 Replacement Ammo Rid 100g Ammonia
Street Price: $6.95
Our Price: $5.50
11 in stock!
Single Large Sponge Intake Filter XY-001 Single Large Sponge Intake Filter XY-001
Street Price: $8.95
Our Price: $5.50
(Out of Stock)
Bakki Rods Square Single Unit (Bacteria House Bio Rods) Bakki Rods Square Single Unit (Bacteria House Bio Rods)
Street Price: $6.60
Our Price: $5.50
52 in stock!
Bakki Rods Spiral Single Unit (Bacteria House Bio Rods) Bakki Rods Spiral Single Unit (Bacteria House Bio Rods)
Street Price: $6.60
Our Price: $5.50
54 in stock!
Bakki Rods (Bacteria House Bio Rods) Box of 20 Full Version Bakki Rods Brown (Bacteria House Bio Rods) Full Version
Street Price: $6.60
Our Price: $5.50
40 in stock!
Aquarium Filter Poly Pads 20g Poly Pads 20g Filter Wool Media
Street Price: $7.70
Our Price: $5.95
24 in stock!
(3)
AquaClear 30 Replacement Ammo Rid 100g Ammonia AquaClear 30 Replacement Ammo Rid 100g Ammonia
Street Price: $6.95
Our Price: $5.95
4 in stock!
AquaClear 20 Replacement Activated Carbon Insert AquaClear 20 Replacement Activated Carbon Insert
Street Price: $6.95
Our Price: $5.95
4 in stock!
(1)
Fluval C3 Hang On Power Foam Pad Pack of 2 Fluval C3 Hang On Power Foam Pad Pack of 2
Street Price: $6.95
Our Price: $5.95
4 in stock!
Serenity Medium Sponge Filter SMXY-280 - Ideal for tanks up to 150l Serenity Medium Sponge Filter SMXY-280 - Ideal for tanks up to 150l
Street Price: $8.80
Our Price: $5.95
(Out of Stock)
(2)
Komoda Filter Mesh Media Bag Medium 20x40cm Komoda Filter Mesh Media Bag Medium 20x40cm
Street Price: $5.95
Our Price: $5.95
4 in stock!
Medium Sponge Filter XY-280 Medium Sponge Filter XY-280
Street Price: $8.95
Our Price: $6.40
(Out of Stock)
(1)
AquaClear 50 Replacement Ammo Rid 170g Ammonia AquaClear 50 Replacement Ammo Rid 170g Ammonia
Street Price: $7.70
Our Price: $6.49
4 in stock!
AquaClear 30 Replacement Activated Carbon Insert AquaClear 30 Replacement Activated Carbon Insert
Street Price: $6.95
Our Price: $6.49
21 in stock!
Small Sponge Filter XY-180 Suitable for tanks up to 100 liters Small Sponge Filter XY-180
Street Price: $8.95
Our Price: $6.50
(Out of Stock)
(1)
AquaClear 50 Replacement Foam Sponge Block AquaClear 50 Replacement Foam Sponge Block
Street Price: $7.95
Our Price: $6.50
28 in stock!
Bacteria House Premium Lotus Bio Rods Full Version Bacteria House Premium Lotus Bio Rods Full Version
Street Price: $9.90
Our Price: $6.94
59 in stock!
Large Sponge Filter XY-380 Large Sponge Filter XY-380
Street Price: $9.96
Our Price: $6.95
(Out of Stock)
(5)
AquaClear 20 Replacement Bio Max Media Insert AquaClear 20 Replacement Bio Max Media Insert
Street Price: $6.95
Our Price: $6.95
3 in stock!
(1)
Fluval U2 Internal Filter Replacement Foam Sponge 2 Pack Fluval U2 Internal Filter Replacement Foam Sponge 2 Pack
Street Price: $7.95
Our Price: $6.95
4 in stock!
Serenity Large Sponge Filter SMXY-380 Serenity Large Sponge Filter SMXY-380
Street Price: $6.95
Our Price: $6.95
91 in stock!
(4)
Fluval C2 Activated Carbon - Pack of 3 Fluval C2 Activated Carbon - Pack of 3
Street Price: $11.00
Our Price: $6.95
(Out of Stock)
Fluval C3 Activated Carbon - Pack of 3 Fluval C3 Activated Carbon - Pack of 3
Street Price: $11.00
Our Price: $6.95
2 in stock!
   
 

Fish Tank Filters

An aquarium filter or fish tank filter is required for keeping your aquarium clean with mechanical filtration and sponges which remove unsightly solid waste. By letting you go longer between replacing your fish tank’s water, the standard water filter in most aquariums prevents your fish from experiencing any sort of stress or shock from a being in a different aquatic environment.

The Tech Den has everything you need to make sure that filtering your tank is easy as possible. Choose from our range of quality brand name tank filters or keep your current one running in top shape with our replacement aquarium filters, media, sponges, and spare parts. If you already have an aquarium filter, our filter media upgrades help to maintain and improve your filter.

Aquarium filter media are an easy to use and replace and are a valuable addition to your aquarium. Replaced periodically, biological filter media help with housing your tank’s good bacteria and reduce the toxicity of your water. As you can see, The Tech Den has the expertise and product selection to make sure that you are using the filter solution that works best for you and your fish. After all, picking the right filter is not only good for your fish, it generally means less cleaning and maintenance for you. Feel free to contact us with any questions about what filtering solution would work best for you!