How often do I need to change the filter. I haven't owned the system long and it's starting to leave streaks. Do I need to clean it? If so, with what? Thank you

Thank you for reaching out! How often you need to change your filter varies from each situation. A good rule of thumb is to swap our your resin once your TDS is creeping above 10. It is also a good idea to keep your waterfed brush soaking in pure water when not in use to avoid streaking. If you need more information on your system care, you can always jump on the chat feature here on our website, or check out our Waterfed Guide.