Best Aquarium Internal Filters you can buy today
An aquarium internal filter is a submerged filtration system designed to keep aquarium water clean by removing debris, toxins, and harmful substances. It is compact, easy to install, and ideal for small to medium-sized tanks. Internal filters provide mechanical, chemical, and biological filtration, ensuring a healthy environment for fish and aquatic life. They are energy-efficient, require regular maintenance, and take up minimal space inside the tank. While they may need frequent cleaning due to their smaller filter media, they are a convenient and budget-friendly option for aquarium enthusiasts.
- 1
Tetra Whisper Bio-Bag Disposable Cartridges, Aquarium Filter Cartridges, 3 Count best from "Tetra"
Tetra
Product highlights #1 from Tetra
- PREMIUM CARBON FILTER FOR AQUARIUMS: Enhance water clarity by effectively removing odors and discoloration.
- ADVANCED DEBRIS FILTERING: High-density, dual-layered mesh captures fish waste and debris efficiently.
- COMPATIBLE WITH TETRA WHISPER FILTERS: Easy-to-use color coding helps you choose the right cartridge size every time.
- READY-TO-USE FILTER CARTRIDGES: Pre-assembled for effortless maintenance and quick installation.
- OPTIMAL FILTER USAGE: Replace every month or more frequently if necessary to maintain water quality.
- USER-FRIENDLY AND PRE-ASSEMBLED: Simplifies the aquarium maintenance process with ready-to-use design.
- EASY SIZE IDENTIFICATION: Color-coded packaging ensures a hassle-free experience selecting the correct filter size.
- HASSLE-FREE INSTALLATION AND REPLACEMENT: Quickly swap out old filters with ease.
- IMPORTANT: Check all label information upon delivery for best results.
- 2
Marineland Penguin Bio-Wheel Power Filter, Multi-Stage Aquarium Filtration best from "MarineLand"
MarineLand
Product highlights #2 from MarineLand
- Advanced Bio-Wheel Technology: Innovative Bio-Wheel system ensures superior wet/dry biological aquarium filtration.
- Comprehensive Multi-Stage Filtration: Provides mechanical, chemical, and biological filtration for pristine aquarium water.
- Perfect Compatibility: Designed for seamless use with Marineland Rite-Size Filter Cartridges (refer to specific filter for sizing details).
- Variety of Sizes Available: Choose from 75 GPH, 100 GPH, 150 GPH, 200 GPH, and 350 GPH options.
- Suitable for All Life Stages: Ideal for aquariums at every stage of growth.
- 3
Marineland Penguin Bio-Wheel Power Filter 200 GPH, Multi-Stage Aquarium Filtration best from "MarineLand"
MarineLand
Product highlights #3 from MarineLand
- REVOLUTIONARY BIO-WHEEL TECHNOLOGY: Experience unmatched wet/dry biological filtration with patented Bio-Wheel innovation.
- ADVANCED MULTI-STAGE FILTRATION SYSTEM: Ensure a pristine aquatic environment with our mechanical, chemical, and biological filtration.
- TRUSTED MARINELAND FILTER PRODUCTS: Discover the most dependable and cutting-edge aquariums and accessories with Marineland.
- FILTER CARTRIDGE COMPATIBILITY: Designed for use with Marineland Rite-Size Filter Cartridges for optimal performance.
- VERSATILE SIZE OPTIONS: Choose from 75 GPH, 100 GPH, 150 GPH, 200 GPH, and 350 GPH models to suit your needs.
- 4
Tetra Whisper IQ Power Filter 45 Gallons, 215 GPH, With Stay Clean Technology best from "Tetra"
Tetra
Product highlights #4 from Tetra
- ULTRA-QUIET AQUARIUM FILTER: Experience tranquility with the Tetra Whisper IQ Power Filter featuring advanced Stay Clean technology and a sound shield for noise reduction, operating under 40 dB.
- EASY SELF-PRIMING FILTER: Enjoy hassle-free aquarium setup with a submerged motor that activates automatically without the need for manual priming.
- HIGH CAPACITY AQUARIUM FILTER: Optimize water clarity with the Tetra Whisper IQ 45 Power Filter, suitable for tanks up to 45 gallons and a flow rate of 215 GPH.
- MAINTENANCE-FREE AQUARIUM TECHNOLOGY: Enhance fish health with Stay Clean Technology that stabilizes pH levels, reducing maintenance and promoting a cleaner, healthier aquarium environment.
- CONVENIENT CARTRIDGE REFILL SYSTEM: Simplify filter maintenance with large-sized Tetra Whisper Bio-Bag Filter Cartridges, designed for easy monthly changes (sold separately).
- 5
AquaClear 50 Power Filter, Fish Tank Filter for 20- to 50-Gallon Aquariums (Packaging may vary) best from "AquaClear"
AquaClear
Product highlights #5 from AquaClear
- High-efficiency aquarium filtration system for best water contact with filter media and reduced energy costs
- Simple and fast installation; recommended cleaning for aquarium filter every 2 weeks for peak performance and efficiency
- Delivers top-notch mechanical, chemical, and biological filtration
- Includes AquaClear Foam, Activated Carbon Filter, and BioMax with Cycle Guard for exceptional water purity
- Offers filtration capacity up to 7 times greater than competing fish tank filters
- 6
NICREW Slim Aquarium Filter, Quiet Fish Tank HOB Filters for up to 5 Gallon Aquariums, Adjustable Flow, 42 GPH, 3W best from "NICREW"
NICREW
Product highlights #6 from NICREW
- Ultra slim and compact aquarium filter design, ideal for nano and pico fish tanks up to 5 gallons.
- Whisper-quiet operation with adjustable water flow, ideal for shrimp, betta, and peaceful aquariums.
- Advanced auto-priming system, ensuring auto restart after power interruptions.
- Complete setup kit included for hassle-free aquarium filter installation and use.
- Includes: Filter body, intake tube, extension tube, intake sponge, and high-performance filter cartridge.
- 7
PONDFORSE 225GPH Canister Filter, External Aquarium Filter Ultra-Quiet Water Cleaning Machine with Free Media for Fish Tanks and Aquariums Up to 55 Gallons (225GPH) best from "PONDFORSE"
PONDFORSE
Product highlights #7 from PONDFORSE
- 【Efficient Filtration System for Clear Water】 The PondForse canister filter offers top-tier filtration with multiple layers of media that efficiently remove particles and impurities. This multi-stage filtration process ensures sparkling clean water and promotes a thriving ecosystem for your aquatic pets.
- 【Customizable Flow Rate for Versatile Use】 The adjustable flow rate control valve enhances compatibility, making the PondForse canister filter adaptable to various aquarium sizes and styles. Take charge of flow settings for optimal aquatic conditions.
- 【High-Performance Energy-Efficient Filtration】 Circulating up to 225 US Gal/h, the PondForse 8W power filter combines power with energy efficiency. The reliable motor delivers stable performance with minimal energy consumption, ensuring powerful filtration without excessive power use.
- 【Ultra-Quiet Operation for Peaceful Aquariums】 Featuring a high-efficiency copper brushless motor, the PondForse filter guarantees a quiet atmosphere, supported by four noise-reducing rubber feet. Enjoy a serene aquatic environment without disrupting daily life or stressing your fish.
- 【All-Inclusive Filter Media Kit】 Complete with essential components for establishing an effective aquarium filtration system, the PondForse filter includes an additional backup bulb, bio balls, and filter sponges, ensuring thorough water purification.
- 【Detailed User Manual for Easy Setup】 Carefully review the user manual for straightforward installation and maintenance guidance. Note: This filter is designed exclusively for freshwater use.
- 8
Tetra Whisper 4 Gallon Internal Power Filter, Filtration for 4 Gallon Aquariums best from "Tetra"
Tetra
Product highlights #8 from Tetra
- PERFECT FOR 4 GALLON AQUARIUMS: This Whisper Internal Power Filter is designed for small aquariums and adapts seamlessly to various water levels.
- EFFICIENT 27 GPH PUMP: The powerful 27 GPH pump circulates water in a 4-gallon fish tank, refreshing it over 6 times every hour.
- DUAL FILTRATION SYSTEM: The filter cartridge floss traps debris and fish waste, while the advanced Ultra-Activated carbon helps eliminate odors and discoloration.
- COMPACT DESIGN FOR SPACE SAVING: This internal filter clips securely to your tank wall, allowing your aquarium to be placed flush against walls and concealed by decorations.
- COMPLETE AQUARIUM SETUP INCLUDED: The package includes a hinged lid, tank clip, internal filter, and a high-quality filter cartridge for all your aquarium needs.
- 9
Marineland Penguin Bio-Wheel Power Filter 150 GPH, Multi-Stage Aquarium Filtration,black, 20 - 30 Gallon Aquarium, 150 GPH best from "MarineLand"
MarineLand
Product highlights #9 from MarineLand
- Advanced Bio-Wheel Filtration System for Superior Wet/Dry Biological Filtration
- Comprehensive Multi-Stage Aquarium Filtration for Clean, Healthy Aquatic Environments
- Marineland Aquarium Products: Trust the Leader in Innovative Aquarium Filtration and Accessories
- Filter Cartridge Compatibility: Designed for Use with Marineland Rite-Size Filter Cartridges
- Multiple Flow Rate Options: Choose from 75 GPH, 100 GPH, 150 GPH, 200 GPH, and 350 GPH Models
- 10
Aqueon QuietFlow 10 LED PRO Aquarium Fish Tank Power Filter For Up to 20 Gallon Aquariums best from "Aqueon"
Aqueon
Product highlights #10 from Aqueon
- LED indicator light signals when cartridge replacement is required due to blocked water flow
- Auto-start self-priming filter pump ensures seamless operation after a power outage
- Delivers mechanical, chemical, and biological filtration with optional specialty pad enhancements
- Encourages vibrant fish health with optimal flow rates for increased dissolved oxygen levels
- Quiet and leak-free operation thanks to an innovative internal pump design with self-priming feature
- Retain beneficial bacteria by avoiding Bioholster cleaning during cartridge replacement
- Compatible with aquariums, both freshwater and saltwater, up to 20-gallon capacity
- Utilizes Aqueon Replacement Cartridge size Medium and Specialty Filter Pads size 10
A Guide to Selecting an Aquarium Internal Filter
Introduction to the Aquarium Internal Filter
An aquarium internal filter is an essential component for maintaining a healthy and clean aquatic environment. Unlike external filters, internal filters are submerged within the aquarium, making them ideal for smaller tanks or setups where space outside the aquarium is limited. These filters help remove waste, debris, and toxins, ensuring the water remains clear and safe for fish and other aquatic life.
Best Aquarium Internal Filter Brands
When selecting an aquarium internal filter, choosing a reputable brand can make a significant difference in performance and longevity. Some of the best-known brands that provide high-quality filters include:
- Fluval - Known for its durable and efficient filtration systems.
- Eheim - Offers reliable and long-lasting internal filters.
- Aqueon - Provides user-friendly and effective filtration options.
- Tetra - Features affordable and easy-to-maintain filter models.
- Hydor - Known for its innovative and powerful filtration systems.
Features of an Aquarium Internal Filter
When purchasing an aquarium internal filter, understanding its key features is essential. Some important features to look for include:
- Filtration Type - Mechanical, chemical, and biological filtration capabilities.
- Flow Rate - The ability to circulate and filter water efficiently.
- Size and Compatibility - Suitable for different tank sizes.
- Ease of Maintenance - Simple to clean and replace filter media.
- Adjustable Flow - Allows customization for different aquatic species.
Most Important Factors to Consider When Buying Aquarium Internal Filter
Selecting the right internal filter for your aquarium requires careful consideration of several factors:
- Aquarium Size - Ensure the filter is powerful enough for your tank volume.
- Filtration System - Choose a model that provides adequate mechanical, chemical, and biological filtration.
- Noise Level - Some filters operate quietly, while others may produce noticeable sound.
- Energy Efficiency - A low-energy consumption filter can save on electricity costs.
- Placement and Installation - Consider where and how the filter will be installed inside the tank.
Advantages and Disadvantages Aquarium Internal Filter
Like any aquarium equipment, internal filters come with their own set of pros and cons.
Advantages:
- Compact and easy to install inside the aquarium.
- Suitable for small to medium-sized tanks.
- Provides effective filtration without requiring external space.
- Typically more affordable than external filters.
Disadvantages:
- Takes up space within the aquarium.
- May require frequent cleaning due to smaller filter media capacity.
- Limited filtration capacity compared to external filters.
Conclusion on Aquarium Internal Filter
Choosing the right aquarium internal filter is crucial for maintaining a healthy aquatic environment. By considering key factors such as filtration type, tank size, and ease of maintenance, you can find a filter that meets your needs. While internal filters are a great option for many aquarium setups, understanding their advantages and limitations will help ensure the best choice for your fish and plants.
Buy Now Guide Newsletter
Get exclusive articles, recommendations, shopping tips, and sales alerts.