Don't let your pond water become pea soup

Burnley Express,  UK

... purifiers , while the more ornamental pool edge plants use up nitrates in the water produced from fish waste. They are more readily taken up if the ammonia in fish waste is converted into nitrate, which is a plant food, if you have a pond filter . ...

Allergies Affect Millions of Americans, but Air Purifiers Can Help ...

PR-USA.net (press release), Bulgaria

Keep the windows closed and air purifiers running. Keep your windows closed to keep outdoor pollutants out of your home. Consumers can also use portable air purifiers with HEPA filters in rooms where they spend the most time, such as the bedroom and ...

Wisconsin bar owners worry about impact of statewide smoking ban

Wisconsin State Journal, WI

Three circular smoke filters spin from the ceiling and two air purifiers mounted to the wall work to clear the air. Like Clayt's, there is little room for smoking outside. "It's going to be quite a change," said Colleen Brewer, who stopped smoking 17 ...