GPH could refer to several things, but without more context, it’s challenging to provide a specific answer. GPH might stand for:
1. Gallons per hour, a unit of measurement for the flow rate of a liquid.
2. Grand Prairie, a city in Texas.
3. Guilty Pleasure Hour, a playful term for indulging in something you enjoy.
4. It might also be an acronym or abbreviation specific to a certain context or organization.
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