The School of Materials Engineering of Soochow University has recently developed a magical polymer packaging film that can be used directly into a washing machine without having to unpack.
The appearance and strength of this film are not large as those of ordinary plastic packaging film, but when it is put into cold water, the film's volume quickly shrinks and disappears completely after 50 seconds.
The non-toxic, degradable and highly water-soluble packaging film is a kind of environmentally friendly material with strong practicality and has a broad market prospect.
Ponds, whether big or small, add a touch of tranquility and natural beauty to outdoor spaces. However, to keep your pond water crystal clear and your aquatic ecosystem thriving, a pond filter is essential. In this article, we'll explore the vital role pond filters play in maintaining a healthy water garden.
Pond filters serve as the kidneys of your pond, performing the critical task of removing impurities and maintaining water quality. They work through mechanical and biological filtration processes.
Mechanical filtration involves the removal of visible debris such as leaves, twigs, and algae from the water. A well-designed pond filter captures these particles, preventing them from clouding the water and clogging pumps or harming aquatic life.
Biological filtration, on the other hand, is the heart of pond filtration. Beneficial bacteria that reside in the filter break down harmful substances like ammonia and nitrites, which can be toxic to fish and plants. This process converts these substances into nitrates, which are less harmful and beneficial for plant growth.
There are different types of pond filters available, including submersible filters, external pressurized filters, and waterfall filters. The choice depends on your pond's size, design, and specific needs.
Regular maintenance of your pond filter is crucial. Cleaning and replacing filter media, checking water flow, and ensuring proper oxygenation are all essential tasks to keep your pond filter working efficiently.
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