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Top rated Aquarium filters + Accessories

Here's a ranking of the top rated products in this category. To give you a quick overview, we've also added some key information about the products.

1. Juwel Aquarium bioPad

The Juwell filter wool is designed to capture coarse dirt particles in the water. As a mechanical pre-filter, it protects the filter from rapid contamination and ensures long cleaning intervals for the other filter media. Juwell filter wool is made from fine, residue-free polyester material and is suitable for both freshwater and saltwater. It is compatible with Super and Compact S filters. 

2. Juwel Aquarium Nitrax nitrate remover

The Juwel Nitrax reduces nitrate in your aquarium, leading to a significant decrease in algae growth. Nitrax is a biological filter medium and contains special microorganisms that break down toxic metabolic products (ammonium, nitrite) in your aquarium. This reduces the risk of fish mortality. Additionally, Nitrax reduces algae growth through the anaerobic breakdown of nitrate, thereby promoting the vitality of your fish. 

3. Juwel Aquarium bioPlus coarse

BioPlus coarse M (Compact) - Coarse sponge. The Juwel filter sponge is designed for biological filtration in your aquarium's anaerobic zone. The Juwel coarse filter sponge is used for both mechanical and biological filtration of your aquarium. 

4. Dennerle Osmosis Professional 190

The white hose provides soft, highly pure osmosis water. The hardened, contaminated residual water from the blue hose is fed into the drain. The simple production of high-purity, very soft water is the ideal basis for setting species-appropriate water values for freshwater and saltwater aquariums. It features a modern polyamide/polysulfone membrane. An activated carbon filter protects against chlorine, while a fine filter protects against suspended particles. The increased diaphragm service life and high continuous output are due to a flushing valve that removes performance-reducing deposits on the diaphragm. This system removes hardness, salts, pollutants, bacteria, and viruses. 

5. Juwel Aquarium BioPlus fine One M

The BioPlus fine sponge is an essential component of the Juwel filter system. Its fine pore structure provides a very large surface area and ensures a slow and even flow. This makes it particularly suitable for biological filtration in the anaerobic zone. The open pores of the Juwel filter sponge are achieved without the use of chemicals, making it free of residues. 

6. Eheim Thermo external filter professionel 5e 600T

Brilliant: Forget about a separate heater in the aquarium thanks to this thermo-filter.

A brilliant innovation: Water is drawn in, filtered, heated at the same time, and then returned to the aquarium at just the right temperature. EHEIM has once again succeeded as a pioneer in perfectly implementing this revolutionary idea technically. We are the only ones offering external filters with an integrated heating system (IHS). Currently, there are 5 thermo-filters from the EHEIM professional generation (professional, professional 3, and professional 3e) for aquariums ranging from 120 to 1200 liters. So you get all the advantages of these high-quality filter series along with the convenient thermo function.

Filtering and heating – all in one.

EHEIM thermo external filters – unique worldwide. Clean, circulate, and simultaneously maintain precise temperature: This is only available from EHEIM. The highlights of our professional filter generation. 

7. Eheim External filter professionel 5e 450

Eheim Professional 3 450 external filter with built-in pre-filters. This filter features an electronic control system. High-quality ceramic bearings ensure whisper-quiet operation and an extremely long lifespan. The pump capacity is 1650 liters per hour. This filter is suitable for aquariums up to 400 liters. The maximum head height is 240 cm. 

8. Eheim Professionel 3

The Eheim professionel 3 2080 is suitable for aquariums up to 1200 liters and features an integrated self-priming system for quick filling of the filter container. Additionally, it comes with a safety hose adapter that has an easy-to-use locking mechanism. The adapter can only be released when the hose valves are closed. 

9. Eheim Professional external filter

Eheim professionel 4e+ 350 electronic Eheim external filter professionel 4+. All Eheim external filters professionel 4+ feature an integrated self-priming system for quick filling of the filter container. The safety hose adapter is equipped with an easy-to-use locking mechanism, and for safety reasons, the adapter can only be released when the hose valves are closed. With proper handling of the Eheim external filter professionel 4+, your aquarium will always be supplied with the best water quality, which will be appreciated by your fish and plants through their healthy and robust development. You will enjoy a clean and clear aquarium. When the filter media becomes dirty and water flow decreases, you can adjust the extender if necessary. This way, you don't have to intervene immediately and gain a few extra days before the next cleaning of the filter media. 

10. Eheim Professionel 5e

The Eheim professionel 5e offers everything an aquarium enthusiast could wish for. Each function can be individually programmed and controlled wirelessly. The electronic system monitors all functions and keeps the flow constant as well as delivering strong performance due to the large filter volume. The clever design and the regulation of the electronic flow extend the maintenance intervals for the biological filter material considerably and, in addition, there is the acclaimed smooth Eheim performance. The skilled workmanship, the high quality materials and the renowned "Made in Germany" reliability, combined with the 3 year warranty, leave nothing to be desired. 

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