How to Fix Slow ZeroWater Filter

Clover Dane

Updated on:

Having clean and pure drinking water is crucial for our health and well-being. Many of us rely on ZeroWater filters to provide us with fresh-tasting water, free from impurities. However, if you’ve noticed that your ZeroWater filter seems to be working slower than before, don’t worry – you’re not alone. Many users have encountered this issue, but fear not, there are reasons behind it, and practical solutions can help restore your filter’s efficiency.

The Culprit: Clogged Filter Cartridge

One common reason for slow filtration is a clogged filter cartridge. As time goes by, the cartridge can collect sediments, contaminants, and mineral deposits, causing a blockage that slows down the water flow. Luckily, this is something we can easily fix through regular maintenance.

Solution: Cleaning Step-by-Step

  • Turn off the water supply to avoid any potential spills.
  • Carefully disassemble the filter, taking out the cartridge and other removable parts.
  • Use warm water to rinse the filter cartridge and all components, getting rid of loose debris and sediments.
  • Create a cleaning solution using mild dish soap or vinegar mixed with warm water.
  • Let the filter cartridge soak in the cleaning solution for about 15-30 minutes to loosen stubborn contaminants.
  • Gently scrub the filter cartridge and other parts with a soft brush or sponge to remove any remaining impurities.
  • Thoroughly rinse all components with clean water to ensure there’s no soap or vinegar residue.
  • Finally, put the filter system back together and reinstall it following the manufacturer’s instructions.

High Total Dissolved Solids (TDS)

Another possible reason for the slowdown is high Total Dissolved Solids (TDS) in your tap water. TDS refers to minerals, salts, and other dissolved substances. When the TDS level is high, the filter has to work harder, resulting in slower filtration.

Solution: Pre-Filtering Your Water

  • Choose a suitable pre-filtering method, such as a sediment filter, activated carbon filter, or a reverse osmosis system.
  • Install the pre-filtering system at the point where your water supply enters the house, removing larger particles and contaminants before water reaches the ZeroWater filter.
  • Regularly maintain the pre-filter according to the manufacturer’s recommendations to ensure it functions optimally.

Replacing the Filter Cartridge

Remember, every filter cartridge has a lifespan. If you’ve been using your ZeroWater filter for a long time without a replacement, its efficiency may have significantly decreased.

Solution: Time for a New Filter Cartridge

  • Check the recommended filter lifespan indicated on the filter’s packaging or in the manufacturer’s instructions.
  • Keep an eye on the TDS meter included with your ZeroWater filter; if you notice a significant increase in TDS reading, it’s probably time to replace the filter.
  • Get the correct replacement filter cartridge from authorized dealers or the manufacturer’s website.
  • Follow the installation instructions provided with the replacement filter to ensure it’s correctly installed in your ZeroWater system.

Regular Filter Maintenance

Neglecting regular maintenance can lead to various problems, including reduced water flow. To keep your ZeroWater filter performing at its best, establish a consistent maintenance routine.

Solution: Set a Maintenance Routine

  • Establish a regular maintenance schedule, such as once every two weeks, to maintain your filter’s performance.
  • Create a cleaning solution using warm water and mild dish soap or vinegar mixed with water.
  • Clean the filter components, following the same step-by-step cleaning guide mentioned earlier.
  • Check the filter components for any signs of wear or damage, and replace any damaged parts promptly.

Contaminated Water Source

The quality of your tap water directly affects filtration speed. If your water source has high levels of contaminants, it can overload the filter and slow down the process.

Solution: Water Source Assessment

  • Purchase a water quality test kit or request a water quality analysis from a certified laboratory.
  • Collect a water sample following the test kit’s instructions.
  • Use the test kit to analyze the water sample for contaminants, TDS levels, and pH levels.
  • Compare the test results with recommended water quality standards to identify potential issues with your water source.

Low Water Pressure

Insufficient water pressure can hinder water flow through the filter, causing it to work slowly.

Solution: Install a Booster Pump

  • Find out the recommended water pressure for your ZeroWater system from the manual or by contacting the manufacturer.
  • Select a booster pump that matches the water pressure requirements and is compatible with your ZeroWater filter system.
  • Install the booster pump according to the provided instructions to increase water pressure and ensure faster filtration.

Filter Media Fouling

Filter media fouling occurs when dirt, sediment, and organic matter build up over time, reducing water flow and efficiency.

Solution: Periodic Deep Cleaning

  • Determine the cleaning frequency based on water quality and usage, typically once every few months.
  • Remove the filter cartridge to access the filter media.
  • Soak the filter media in a cleaning solution (vinegar-water solution works well) for a few hours.
  • Thoroughly rinse the filter media with clean water until there’s no trace of the cleaning solution.
  • Reassemble the system as per the manufacturer’s instructions.

Temperature Impact

Extreme temperatures can also affect the filter’s ability to remove contaminants efficiently.

Solution: Optimal Temperature Range

  • Check the ZeroWater system’s manual or the manufacturer’s guidelines to find the recommended temperature range for efficient filtration.
  • Use a thermometer to monitor the water temperature entering your filter system.
  • Make adjustments, if needed, to maintain the recommended temperature range in the water source or the filter’s environment.

Airlock in the System

Airlocks can disrupt water flow, slowing down the filtration process.

Solution: Bleeding the Air

  • Before bleeding the air, turn off the water supply to avoid any potential spills.
  • Identify the air vent or bleed valve in your ZeroWater filter system.
  • Slowly open the air vent using a wrench or pliers to release trapped air.
  • Let the water flow through the system until all air bubbles are gone.
  • Close the air vent tightly once water flows steadily without any air bubbles.

Evaluate Dispenser/Container

Lastly, the dispenser or container used with the ZeroWater filter can impact water flow.

Solution: Choose the Right Container

  • Ensure that your chosen dispenser or container is compatible with the ZeroWater filter system.
  • Check for any blockages or obstructions within the dispenser that could hinder water flow.
  • Select a dispenser or container with an appropriate size that matches your water consumption needs, avoiding frequent refilling and slower filtration.

By understanding the causes of slow filtration in your ZeroWater filter and following these practical solutions, you can enjoy efficient and consistent water purification. Regular maintenance and proper care will not only restore your filter’s speed but also ensure you and your loved ones have access to clean and refreshing water for years to come. Remember, a well-maintained ZeroWater filter is your key to improved water quality and better health.