Careful use of the product allows people to take full advantage of all it has to offer. The bleach active in Clorox2Â® Stain Fighter and Color Booster is hydrogen peroxide (H2O2). At the concentration used in the laundry, hydrogen peroxide is a much less aggressive bleach than sodium hypochlorite.
The definition of a grain is a tiny hard seed from a cereal grass, or a tiny piece of amount of something. An example of a grain is a piece of a wheat berry. An example of a grain is an extremely tiny piece of sand. a small, hard seed or seedlike fruit, esp. that of any cereal plant, as wheat, rice, corn, rye, etc.
The grain is a measure of weight. 1 grain is equal to 1/7000th of a pound. Or 7000 grains are in 1 pound. There are 15.43 grains per gram for those who are metric. It's just a weird way of saying how heavy something is in firearms. More grains means heavier bullet.