Water Softener Grain Capacity Calculator

Calculator assumptions usable softener resin capacity is 32 000 grains per ft 3 at 15 lbs per ft 3 salt charge the maximum flow rate for water softener resin is 7 gallons per minute per ft 3 softener is 65 full of resin beads if you do not know how hard your water is you can use this map to get a rough idea.

Water softener grain capacity calculator. High grain water softeners cost more money and on over sized softener means wasted money. Convert water hardness from ppm to grains per us gallon. This provides 1729 grains of softening per pound of salt 32 000 18 5. 118 ppm th 6 9 gpg.

Hardness in grains per gallon 1 to 2 people 3 to 4 people 5 to 6 people 7 to 8 people 5 10 gpg. Calculate softener capacity in grains. Before to calculate the capacity of the water softener softening plant to choose how much water to be softened. 0 75 cubic feet of softener resin 15 000 grains capacity 1 0 cubic feet of softener resin 20 000 grains capacity 1 5 cubic feet of softener resin 30 000 grains capacity.

Considering this we need to calculate the total grain capacity between each regeneration cycle. Multiply the number of people in your family times 70 gallons of water used per day national average. Again these capacities are based on the highest salt efficiencies possible. If you think your daily water usage is higher set a higher value.

Use the calculator below and get a rough idea on the grain capacity required to sufficiently soften your water. This page will help you determine the right size water softener for you. The softener capacity is calculated in three simple steps. Determine the proper water softener based on your hardness and number of people in your house.

Number of people in your house. Use the following formula to calculate the proper size. The resin exchange capacity is mention into the product s supplier data sheet. By default the average water usage per person is set at a conservative 50 gallons per day.

The formula for this is 4 725 x 7 days 33 075 grains per week. How to calculate the resin capacity. Select the number of people that live in your home. Need to find out the size or capacity of a water softener for your home.

In this case 100m3 to be softened at 400 ppm of feed hardness to 5 ppm. Educating the public on the water in their homes and businesses. For example a one cubic foot softener has a peak capacity of 32 000 grains at a salt setting of 18 5 lbs. If iron is present add 5 grains for every ppm mg l of iron iron must be dissolved iron it appears clear from the tap but leaves reddish brown stains.

You can program this for a capacity of 24 000 grains at a salt setting of 8 5 lbs. Total hardness ppm total hardness gpg example.