Edcamps are: 1  free. 2  non-commercial and conducted with a vendor-free presence. 3  hosted by any organization interested in furthering the edcamp mission. 4  made up of sessions that are determined on the day of the event. 5  events where anyone who attends can be a presenter.
One menstrual cup will last you forever.*. According to Diva Cupâs website, you should replace your cup annually. *Many other eco sites actually claim that with proper care, one cup could last 10 years.
For most spas under halogen treatment (chlorine or bromine), I recommend that the spa filter cartridge be replaced every 12-24 months, depending on itâs size, and on how much the spa is used. For those who wish to go chlorine free in the spa or hot tub, Iâd recommend that you double the frequency, and replace your spa filter every 6-12 months.