Ecological Labratories Microbe-Lift Mean Green Combo Pack, 2 lb. Ecological Laboratories has teamed with Green Clean to give you the Mean Green Algae Team Get tough on algae with Ecological Laboratories Mean Green Algae Team two-step program Comprised of our MICROBE-LIFT/PL-the #1 selling bacterial pond additive on the market-with Green Clean an EPA Registered granular algaecide Apply it and watch most filamentous or string algae die before your eyes 2 great products in 1 handy carrying case