How to Prime and Backwash the 5.5” & 8” Filteroo Rain & City Water Gravity Carbon Block Filter Cartridge

Hello, and congratulations on being a user of the Filteroo water filtration systems. Below you will find the instruction videos plus the written directions. We do recommend you watch the videos so you get a visual idea on how to proceed and what to do.

If you need a hand or require any assistance, please feel free to contact us on any of our contact us details. We truly hope you enjoy the filtered water created with your Filteroo gravity water purifier.

We thank you for being part of the Filteroo family. Enjoy…

 

How to Prime the 5.5” & 8” Filteroo Rain & City Water Gravity Carbon Block Filter Cartridge

In this video, learn how to properly prime and backwash your 5.5” & 8” Filteroo Gravity Carbon Block Filter Cartridge for optimal performance. Follow these simple steps to ensure your water filter is primed and flushed, removing sediment build-up for improved water flow and cleaner water. Perfect for both rainwater and city water filtration systems.

  1. Remove the cartridge from the protective packaging by using a glove or something similar so your hands don’t touch the cartridge as much as possible. 
  2. Unscrew the locking nut from the cartridge threaded stem, turn it over & then screw the locking nut back onto the threaded stem upside down, just enough so the priming washer can sit on top of the nut & is level with the end of the cartridge threaded stem. 
  1. Press the priming washer up against a tap and slowly turn on the water. Allow the water to enter the cartridge. Small beads of water will start to flow out of the cartridge from the bottom up to the top. Once water beads are exiting the cartridge & the cartridge becomes wet all over the cartridge is primed full of water. This will only take between 5 to 10 seconds. 
  1. Rinse the cartridge all over under the flowing tap to remove any carbon fines. Install your cartridge it is ready to flush

How to Backwash the 5.5” & 8” Filteroo Rain & City Water Gravity Carbon Block Filter Cartridge

In this video, learn how to backwash your Filteroo Carbon Block Cartridge to clear out built-up sediment and restore water flow. Regular backwashing helps maintain filter efficiency, ensuring cleaner water and optimal performance from your rainwater or city water filtration system.

Due to the filtration of sediments & particulate contaminants from the water during use, the flow of water from the filter may reduce over a period of time. If your cartridge water flow rate slows down, it is normally only because the outside of the carbon block cartridge has blocked with fine sediments. These sediments do build up and can slow the flow rate over time depending on the volume of sediments in the water supply you are using for your water filter. 

Here are the steps below to backwash your Filteroo Carbon Block Gravity Cartridges.

  1. Remove the cartridge from the filter housing. Screw the cartridge locking nut back onto the cartridge threaded stem upside down just enough so the flushing washer can sit onto the end of the threaded stem and be supported by the locking nut. 
  1. Whilst holding the cartridge, press the flushing washer up onto the end of a tap spout to create a seal. 
  1. Slowly turn on the water whilst holding the cartridge and flushing washer against the tap spout so the water is pushed inside the carbon cartridge. Air then water beads will leech out of the cartridge giving it a back flush, pushing out the sediments that are blocking the cartridge. Continue for 20 seconds. 
  1. Then thoroughly scrub the outside of the cartridge with 100 grit sandpaper or a new Scotch-Brite scour pad and backwash again as above and rinse the outside of the cartridge well. 
  1. Replace the cartridges into your water filter and fill the top tank with water.




ABOUT THE AUTHOR
Andrew Whannell

Andrew is a dedicated water and wellness advocate at My Water Filter, with a deep understanding of water’s role in a healthy lifestyle. Having completed a transformative 40-day water fast, he brings unique insights into the nurturing and hydrating aspects of water.

Andrew is passionate about guiding others on their journey to optimal health through proper hydration and high-quality water filtration. He shares practical tips and personal experiences to help readers integrate water into their wellness routines. When not writing, Andrew enjoys playing beach valley ball, travelling and outdoor adventures.


Brand-filterooCategory-water filter cartridgesFiltration-carbon blockType-cartridge replacement and flushing guides