repeat customer, there is no better gas permeable reliable cleaner that doesn't require soaking
This is a large bottle of cleaner.  I use one or two drops and 2-cycle cleaning per gas permeable lens each morning, does the trick.  I've used Lobob Optimum the past few years exclusively, as all the others for decades prior were troublesome (per use separate dispensers) or didn't clean even if soaked overnight.  I haven't found anything better and with this ease of use.
Rating: 5 stars