Homeowner not sold on septic-tank maintenance

Costly additive, pumping every 2 years raise suspicion

Dear Barry,

We received a letter from the company that pumped our septic tank when we bought our home last year. They recommended that a household of two people should pump the septic tank every one-and-a-half to two years. They also recommended a septic additive that they sell for $30 per gallon. It’s supposed to break up the solids in the tank, and they claim it’s better than the kind you buy at the hardware store. According to my neighbor, the tank should be pumped every five years. What’s the best advice for maintaining our septic system? –Larry