Complete 2 system a/c repair and preventative maintenance check. A/C repair for the upstairs guest house. Found algae tripped in line watery safety. Discovered old drain p-trap filled with algae. Replaced with EZ trap for easy clean out with wire brush included that stays with the system. Also, install APCO antimicrobial light to prevent mold from growing in the system and help maintain algae growth inside the system where the water begins and enters the drain line. System operation normal at this time. Please call Mr. Sallee and collect