1. परिचय
The JBL FilterPad VL-120/250 is a high-quality cotton fleece filter media designed for use with JBL CristalProfi aquarium filters. It provides effective mechanical and biological filtration, contributing to clear and healthy aquarium water. This product is specifically cut to size for JBL CristalProfi 120 and CristalProfi 250 models.

Image 1: JBL FilterPad VL-120/250 product packaging, showing the brand 'JBL UniClear' and compatibility with CristalProfi 120 and 250.
2. स्थापना पुस्तिका
Follow these steps to correctly install the JBL FilterPad VL-120/250 into your aquarium filter:
- तयारी: Ensure the aquarium filter is turned off and disconnected from the power supply before beginning installation.
- प्रवेश फिल्टर: Open the filter housing according to the specific instructions provided with your JBL CristalProfi filter model.
- Remove Old Media: Carefully remove any old or used filter media from the designated compartment.
- Insert New FilterPad: Place the JBL FilterPad VL-120/250 into the appropriate filter basket or compartment. Ensure it fits snugly without obstructing water flow or causing any deformation.
- सुरक्षित फिल्टर: Close the filter housing securely, ensuring all seals are properly seated to prevent leaks.
- पॉवर पुन्हा कनेक्ट करा: Reconnect the filter to the power supply and turn it on. Monitor for proper operation and any signs of leakage.
४. ऑपरेटिंग तत्त्वे
The JBL FilterPad VL-120/250 functions through a dual filtration process:
- यांत्रिक गाळण्याची प्रक्रिया किंवा पध्दती: The fine cotton fleece material effectively traps suspended particles, debris, and other impurities from the aquarium water. This physical removal of particulate matter contributes to water clarity.
- जैविक गाळण्याची प्रक्रिया: The porous structure of the fleece provides a significant surface area for beneficial nitrifying bacteria to colonize. These bacteria play a crucial role in the nitrogen cycle, breaking down harmful ammonia and nitrites into less toxic nitrates.
4. देखभाल
Regular maintenance of your filter pad is essential for optimal aquarium health.
- तपासणी: Regularly inspect the filter pad for signs of heavy soiling or clogging.
- बदलण्याची वारंवारता: Replace the filter pad when it appears heavily soiled, discolored, or when water flow through the filter significantly decreases. Replacement frequency typically ranges from every 1 to 4 weeks, depending on aquarium stocking levels, feeding habits, and overall bioload.
- बदलण्याची प्रक्रिया: To replace the filter pad, follow the installation steps outlined in Section 2 in reverse order.
- विल्हेवाट: Do not rinse and reuse heavily soiled filter pads, as this can release trapped pollutants and debris back into the aquarium water. Dispose of used filter pads responsibly.

Image 2: A single JBL FilterPad VL-120/250, showing its white cotton fleece material and pre-cut shape.
5. समस्या निवारण
If you encounter issues with your filter system after installing the JBL FilterPad, consider the following:
- कमी पाण्याचा प्रवाह: If the water flow from your filter is significantly reduced, check if the filter pad is clogged. Replace the filter pad if it is heavily soiled. Also, ensure that the filter is properly assembled and all connections are secure.
- ढगाळ पाणी: If your aquarium water remains cloudy after filter pad replacement, it may indicate other issues. Check other filter media (e.g., biological or chemical media) for cleanliness and effectiveness. Additionally, test your aquarium's water parameters (ammonia, nitrite, nitrate) to identify potential imbalances.
6. उत्पादन तपशील
| तपशील | तपशील |
|---|---|
| ब्रँड | जेबीएल |
| पाळीव प्राणी प्रकार | मासे |
| उत्पादन परिमाणे | 18.5 x 3.5 x 23 सेमी |
| आयटम मॉडेल क्रमांक | 6220100 |
| साहित्य रचना | सिंथेटिक फायबर |
| रंग | पांढरा |
| आकार सुसंगतता | For CristalProfi 120/250 (also listed as For CP 500 in some specifications) |
| Number of Items (per pack) | 2 |
| आयटम वजन | 21 ग्रॅम |





