I would like to extend the amount of time between cartridge filter cleanings on my route. Many filters are undersized and for many customers its not an option to put in a properly sized filter. My two main ideas are enzymes and cyclone pre filters (1/4 the cost of upgrading filter). Keep in mind the purpose of the enzymes would be solely to break down bather waste so the filter doesn't have to, not algae prevention. Anybody have any thoughts or experience? Thanks!