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Advantages •Under the proper conditions, no chemicals to purchase for maintenance. Regeneration is not required. •Iron removal efficiency is extremely high. •Negligible labor cost: only periodic backwashing is required. •Durable material with a long life and wide temperature range. •Weighs only 36-38 lbs./cu.
Birm is a granular filter media used to reduce dissolved iron and manganese from raw water supplies. This system pairs Birm media with an Aqua Science Eco Advanced Plus AIO OCS digital control valve and is designed for efficient, economical filtration with periodic backwashing instead of chemical regeneration.
Birm acts as an insoluble catalyst that enhances the reaction between dissolved oxygen and iron compounds so precipitated material can be filtered and removed by backwashing. It is not consumed during iron removal, which helps reduce ongoing maintenance needs.
This system includes an Aqua Science digital control valve, 9x48 fiberglass mineral tank, 1 inch by-pass, 1 cubic foot of Birm, 1 sleeve of gravel, 1.05 inch riser tube, funnel, and cap. Birm works at maximum efficiency with pH levels of 7.2 or greater.
It is used for the reduction of dissolved iron and manganese from raw water supplies.
What control valve is included?
This system includes an Aqua Science Eco Advanced Plus AIO OCS digital control valve.
What tank size is included?
It includes a 9x48 fiberglass mineral tank.
What media comes with the system?
The system includes 1 cubic foot of Birm and 1 sleeve of gravel.
Does Birm require chemical regeneration?
No. Birm does not require chemicals for regeneration; periodic backwashing is required.
What water conditions are important for Birm use?
The water should contain no oil or hydrogen sulfide, organic matter should not exceed 4-5 ppm, and pH should be 6.8 or more. Maximum efficiency is stated at pH 7.2 or greater.
What if the influent water pH is below 6.8?
Neutralizing additives such as Clack Corosex, Calcite, or soda ash may be used before the Birm filter to raise pH.
Can low dissolved oxygen water be treated before this filter?
Yes. Water with low dissolved oxygen may be pretreated by aeration.
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