To kill algae, pour a dilute solution of bleach (one aspect bleach to 16 pieces water) in the pump’s trough and pump it out throughout the tube. Don’t do this on you garden—it is going to get rid of the grass. We think about the standing of a system's warranties. http://acrepair04790.post-blogs.com/19120412/the-fact-about-commercial-hvac-near-me-that-no-one-is-suggesting