When it comes to making cold-brew iced tea, fancy loose-leaf teas aren't worth the expense. The pulverized leaves in ordinary bagged teas have more exposed surface area, which means they infuse better into cold water. Here are our notes on four popular supermarket brands. --Sue Li
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1. PG Tips
The British import yields a dark, smoky tea.
2. Luzianne
A Southern staple, it has a slightly sweet, vanilla aroma.
3. Tetley
This classic choice makes for a lighter-bodied infusion.
4. Twinings
A fragrant and mellow brew.
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