Lyme disease is diagnosed clinically based on symptoms, objective physical findings (such as EM, facial palsy, or arthritis), or a history of possible exposure to infected ticks, as well as serological blood tests. The EM rash is not always a bull's eye, i.e., it can be solid red.
Rule of Thumb for Changing Filters. The rule we have followed for 18 years in the filtration industry is to change filters every 6 to 12 months. Six months is almost always optimum, especially in commercial/office settings, and twelve months is as long as you want to go no matter what.
The machines vary in cost depending on an officeâs size, but a typical system costs anywhere from $250 to $400 per month for unlimited use. Grundy notes that traditional water coolers vary widely in priceâanywhere from $50 to $500 a monthâsince costs are based on consumption, so âour prices are much more predictable.â. The company may still be in its early stages, but Grundy says initial feedback has been encouraging.