Here’s how to use my AC drain cleaner the RIGHT way — straight from your tech: 1. Start by clearing the drain line with a strong shop vac from the outside. 2. While the vacuum is running, flush a full gallon of water through the drain from the inside — this helps push any remaining debris through. 3. Once the line is clear, pour 1 full bottle of my AC drain cleaner into the drain line from the inside. 4. Follow it with a cup of warm water to activate it and get it moving through the system. That

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