You can usually get concentrated cleaning solutions, but they tend to be used more by industry/businesses. These quats are sold concentrated as dish sanitizer (

You can usually get concentrated cleaning solutions, but they tend to be used more by industry/businesses. These quats are sold concentrated as dish sanitizer (mixed in a sink full of water) for restaurants, for example. I think consumers would just rather have ready-to-use spray bottles in most cases. There's probably a surprising number of people that couldn't do the basic math of diluting based on a formula.