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Water Softener ( Conditioner ) Sizing
The average residential application ( your single family residence ) will get good flow through any commonly sold size tank ( 8", 9", or 10" diameter ). So, the most important consideration is always the quality of the water to be treated.
What is the Hardness ( in grains or 17.1 ppm equals one grain )?
What is the Iron level in ppm ( if there is any in your source )?
Each ppm of Iron should be added to the hardness total as 5 grains of hardness when calculating the amount of resin ( size of tank ) needed, or when calculating the total "working capacity" of your tank before it will need to be regenerated ( critical to know when "setting" the metered demand regeneration valves common today ).
For example:
18 grains hardness plus 2 ppm Iron would give you 28 grains when deciding how large of a system you would need.
Here is a basic guide to which common size to choose:
Between 5 - 15 grains, use a 24,000 grain ( 3/4 cu.ft. ) tank ( typically 8 x 44 inches ).
Between 16 - 35 grains, use a 32,000 grain ( 1.0 cu.ft. ) tank ( typically 9 x 48 inches ).
Between 36 - 50 grains, use a 48,000 grain ( 1.5 cu.ft. ) tank ( typically 10 x 54 inches ).
Between 50 - 65 grains, use a 64,000 grain ( 2.0 cu.ft. ) tank ( typically 12 x 52 inches ).
Between 66 - 100 grains, use a 80,000 grain ( 2.5 cu.ft. ) tank ( typically 13 x 54 inches ).
NOTE: Oxidized iron, Tannin color, low pH acid water, and Hydrogen Sulfide Odor all require additional media or filtration equipment.
Please e-mail us if you have questions about your equipment needs.
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