As power plants across the country plan to close ash ponds, the first discharge limit to consider is pH. National standards require all wastewater discharges to comply with a pH between 6 and 9 ...

Begin winterizing when your pool water temperature drops below 65°F and stays there consistently, typically around mid-October in most regions. Don't winterize too early, as the chemicals won't be as ...

The pH scale measures the acidity or alkalinity of a substance, ranging from 0 to 14, with values below 7 representing acidity, above 7 representing alkalinity, and 7 representing neutrality.