The Berkey PF-4™ Fluoride and Arsenic Elements should be replaced every 1,000 gallons or at six-month intervals (whichever comes first) under normal conditions. If your water is heavily contaminated with MTBE, fluoride, lead or arsenic, the filters should be replaced in four-month intervals. Please note [...]
You should tighten your elements no more than 8-9 full rotations. This is to protect the screen within the filter that contains the fluoride and arsenic reduction media. If you can tighten the Fluoride and Arsenic Filter all the way up the stem for [...]
This is most likely residual media being discharged from your Berkey® Fluoride and Arsenic Reduction Elements. The media within them is inert and non-water soluble, so it is not a health concern. To resolve the issue, we recommend re-priming your elements from both sides [...]
Remove the elements from your Berkey® System and drain any water within them. Place the elements in a sealable bag and store them in the front of your refrigerator. Store the elements for no longer than two weeks. Re-prime the elements from both sides before [...]
Under normal conditions, the Berkey PF-2™ Fluoride and Arsenic Elements should be replaced after 1000 gallons of use or after 1 year (whichever comes first). Please note that high or low pH impedes the ability of the media to remove fluoride. For maximum fluoride reduction [...]
Re-prime your Berkey PF-2™ Fluoride and Arsenic Reduction Elements from both sides to force out any clogging within the filters. Prime for no longer than 30 seconds per side.