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.
Please provide the answers to the following questions when you contact us.
How many people use the water in your home?
What is the hardness level of your water before any filters? ( grains per gallon or ppm )
What is the iron level ( if any ) of your water before any filters? ( ppm = Parts Per Million )
What is the pH level of your water from the source ( before any filters )?
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