I had the WORST experience at the PetSmart in Williamsburg, VA, specifically with an older man with gray hair and enlarged abdomen in the aquatics department. He was very condescending and spoke to me (an adult women) as if I was a child who knew nothing. When I asked about purchasing natural sources to lower pH, such as driftwood with live plants, he said, "That doesn't work. Don't believe everything you read online." Additionally, when I told him which fish I wanted to purchase, which are the same as what I've successfully had before in my 125-gallon freshwater tank, he said, "no, you need to go home and add white vinegar to your filter." Very concerning as I have live plants and a variety of fish, such as angelfish, tetras, etc. 
His poor professionalism and condescending attitude are inexcusable. I will never shop there again.
Fact Checks: "Driftwood and Peat Moss: These natural materials can gently lower pH over time."
"Unless you are an experienced aquarist with a thorough understanding of water chemistry and the potential risks, adding vinegar to your fish tank is strongly discouraged. There are safer and more effective methods for managing water parameters."
Desired outcome: I would like an apology and a discount on purchasing fish/aquatics (as long as I'm not conversing with him).
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