Color: Brownish white
Bulk Density: 75 lbs./cu. ft.
Mesh Size: 6 x 16
Specific Gravity: 3.6 gm/cc
Effective Size: 1.4 mm
Uniform Coefficient: 1.7
Composition: MgO 97% min.


-By neutralizing the free carbon dioxide in water, Corose-x can correct acidic water conditions and render it less corrosive. Corose-x, being a highly reactive magnesium oxide, is used most effectively where pH correction is substantial or high flow conditions are in use. pH correction and media consumption are affected by a number of water chemical variables. Being soluble to acidity, Corose-x will slowly dissolve and will need to be replenished periodically.
-On a per weight basis, magnesium oxide can neutralize five times more acidity than can calcium carbonate. This results in greatly reduced chemical usage for the same pH correction. Please note; under certain low flow conditions, Corose-x may overcorrect and create a highly basic (high pH) condition.
-Under certain hardness conditions, pH correction can cause hardness minerals to precipitate out of solution, resulting in cementing or solidification of the Corose-x mineral bed. Upflow service is generally recommended with hardness exceeding five grains per gallon. (Always use an in-line filter ahead of an upflow system to prevent plugging of the lower distribution screen.)
-As Corose-x’s magnesium oxide neutralizes the water, it will increase hardness and a softener may become necessary after the neutralizing filter.
-Corose-x can be effectively combined with Clack Calcite to combine the high flow neutralization properties of Corosex, along with the slower reacting low flow properties of Calcite, reducing potentially high basic properties due to overcorrection.

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