Water Hardness Grains

City name province hardness mg l hardness grains gallon source assiniboia sk 320 5 source biggar sk 536 source canora sk 267 source codette sk 229 source cupar sk 49 source edenwold sk 485 source elbow sk 179 source estevan sk 366 source fort sk 258 source gravelbourg sk 7 source kerrobert sk 8 source komsack sk 10 sou.

Water hardness grains. Distributed water hardness june 2016. One gpg is equal to 17 1 mg l or 17 1 ppm. For example say you have a water hardness value of 180 ppm. Grains per gallon is the business standard approach for talking about water hardness.

For example if your water test shows 250 mg l hardness you actually have 14 62 grains per gallon. Learn your water hardness in toronto barrie brampton brantford caledon collingwood hamilton kingston kitchener waterloo cambridge newmarket markham. It translates into 1 part in about 58 000 parts of water or 17 1 parts per million ppm. One grain of hardness is equal to 1 7 000 pound of rock.

Formula to measure no of grains to be removed. The grain per gallon gpg is a unit of water hardness defined as 1 grain 64 8 milligrams of calcium carbonate dissolved in 1 us gallon of water 3 785412 l. Also called clark degree in terms of an imperial gallon. The result is the water hardness expressed in grains per gallon.

Typically water that contains less than 1 grain per gallon is considered soft while. The degree of hardness standard as established by the american society of agricultural engineers s 339 and the water quality association wqa is. Your municipal water supply may measure water hardness in milligrams mg liters l or parts per million ppm. Work out 180 17 1 10 526.

Divide by conversion factor. A grain of water hardness is comparable to 1 7000th of a pound. If hardness is in mg l or ppm convert it into gpg by dividing it with 17 1. If a test for hard water is measured in parts per million or milligrams per liter you can take the total hardness level and divide it by 17 1 to get hardness in grains per gallon.

Treated or softened water 0 1 gpg total grains x 17 1 equals ppm slightly hard 1 2 gpg total grains x 17 1 equals ppm medium hard 3 7 gpg total grains x 17 1 equals ppm hard 7 10 5 gpg total grains x 17 1 equals ppm. Jumping mg l by 17 1 will change it to gpg. The hardness of water is measured in grains per gallon gpg. Different agencies and organizations may use slightly different classifications when discussing water hardness.