1. Introduction
Thank you for choosing the Eheim Filter Experience 350 external canister filter. This manual provides essential information for the safe and efficient operation, installation, and maintenance of your filter. Please read these instructions carefully before use and keep them for future reference. The Eheim Filter Experience 350 is designed to provide superior water quality for aquariums ranging from 180 to 350 liters, ensuring a healthy environment for your aquatic life.
2. Product Features
- External Canister Filter: Designed for aquariums, providing comprehensive filtration.
- Easy Assembly: Engineered for straightforward setup and installation.
- Quality Finish: Constructed with high-quality materials for durability and performance.
- Reliable and Quiet Operation: Features ceramic axles and bearings for extremely quiet and dependable performance.
- Integrated Hose Adapter: Includes a hose adapter with two barrier valves, an integrated hose backup, and a complete unit locking mechanism for secure connections and easy detachment.
- Complete Accessories: Comes with a nozzle, suction tube, spray bar, quality hoses, and all necessary installation accessories.
- Eheim Media+: Equipped with filter media for immediate biological filtration.

The product packaging for the Eheim Filter Experience 350 external canister filter, highlighting key features like 24 Watt power, suitability for 180-350 liter aquariums, 1050 l/h flow rate, 9.0L filter volume, and 4.8L media volume. It also mentions 'Made in Germany' and 'Reliable and very quiet running'.
3. Safety Instructions
- Always disconnect the power supply before performing any maintenance or cleaning.
- Ensure the filter is placed on a stable, level surface below the aquarium water level.
- Do not operate the filter if the power cord or plug is damaged.
- Never run the filter dry; always ensure it is filled with water before starting.
- Keep electrical connections dry and away from water.
- This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
4. Setup and Installation
- Unpack Components: Carefully remove all parts from the packaging and check against the parts list.
- Prepare Filter Media: Rinse all filter media thoroughly under running water to remove any dust. Place the media into the filter baskets according to the manufacturer's recommendations (typically coarse mechanical filtration at the bottom, followed by biological and fine mechanical filtration).
- Connect Hoses: Attach the intake and output hoses to the hose adapter. Ensure a secure fit.
- Install Intake and Output: Position the intake tube (with strainer) inside the aquarium, ensuring it is submerged. Install the spray bar or output nozzle above or below the water surface, depending on desired water movement.
- Connect Adapter to Filter: Securely attach the hose adapter unit to the filter head.
- Position Filter: Place the filter canister on a stable surface below the aquarium.
- Prime the Filter: Open the barrier valves on the hose adapter. Use the integrated priming aid (if available) or manually fill the filter with water until it is full. Close the barrier valves.
5. Operation
- Open Valves: Ensure both barrier valves on the hose adapter are fully open.
- Connect Power: Plug the filter into a suitable electrical outlet. The filter should start automatically.
- Check for Leaks: Monitor the filter and hose connections for any leaks during the first few hours of operation.
- Adjust Flow: If your model has flow control, adjust the water flow rate as needed for your aquarium.
6. Maintenance
Regular maintenance is crucial for the longevity and efficiency of your Eheim filter.
6.1. Routine Cleaning (Monthly/Bi-Monthly)
- Disconnect Power: Always unplug the filter before maintenance.
- Close Valves: Close the barrier valves on the hose adapter to prevent water backflow.
- Detach Hoses: Use the quick-release mechanism to detach the hose adapter from the filter head.
- Transport Filter: Carefully move the filter to a suitable cleaning area (e.g., a sink or bucket).
- Open Filter: Release the clips and remove the filter head.
- Clean Media: Rinse mechanical filter media (e.g., sponges, pads) with old aquarium water to preserve beneficial bacteria. Replace fine filter pads as needed. Do not clean biological media too thoroughly or too often.
- Clean Impeller: Inspect and clean the impeller and impeller shaft for any debris or blockages.
- Reassemble: Reassemble the filter in reverse order, ensuring all seals are correctly seated.
- Restart: Reconnect the filter to the hoses, open the valves, and plug in the power.
6.2. Media Replacement
Replace filter media according to the manufacturer's recommendations or when performance noticeably declines. Mechanical media may need more frequent replacement than biological media.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Filter not starting | No power, air in filter, clogged impeller | Check power connection, re-prime filter, clean impeller. |
| Reduced flow rate | Clogged filter media, dirty hoses, air in filter | Clean/replace media, clean hoses, re-prime filter. |
| Loud operation | Air in filter, damaged impeller, improper seating of filter head | Re-prime filter, inspect/replace impeller, ensure filter head is securely closed. |
| Water leakage | Damaged O-ring, loose hose connections, cracked housing | Check/replace O-ring, tighten hose connections, inspect housing for damage. |
8. Specifications
- Model Number: 2426020
- ASIN: B00AEQN6K6
- Dimensions: 430 x 305 x 225 cm (Product dimensions as listed, note: this seems unusually large for a filter, typically these are in mm or smaller cm)
- Weight: 1 kg
- Power Consumption: 24 Watts (from packaging OCR)
- Aquarium Volume: 180-350 Liters (from packaging OCR)
- Flow Rate: 1050 l/h (from packaging OCR)
- Filter Volume: 9.0 Liters (from packaging OCR)
- Media Volume: 4.8 Liters (from packaging OCR)
- Country of Origin: China
- First Available Date: September 5, 2016
9. Warranty and Support
This Eheim product comes with a manufacturer's warranty. For specific warranty details, claims, or technical support, please refer to the warranty card included with your product or visit the official Eheim website. Keep your proof of purchase for warranty purposes.





