For a Birm or Pro-OX iron filter to work properly, there must be enough dissolved oxygen present in the water to help assist the filter media to oxidize iron and manganese particles for filtration. A good way to achieve oxidation without having to install an open atmospheric pressure storage tank and additional booster pump is to … Continue reading What is the Difference between Air Charger Iron Filters and Maxi-Vent Air Compressor System Iron Filters?