Aquaclear Power Filter - 20 Turtle Supplies it also contains no copper

it also contains no copper (common among rival algaecides) and is very focused in scope

INGREDIENTS: Spirulina Algae

Known for their fascinating behavior

so we recommend keeping them with fish their size or slightly larger

The 460 nanometer Actinic Blue light output helps to enhance fluorescent colours in fish and coral and is perfect for use with most glass or acrylic flat-sided desktop aquaria

Aquaclear Power Filter - 20 Turtle Supplies it also contains no copperThe Hagen Aquaclear Power Filter 20 provides mechanical, chemical and biological filtration through its multi stage filtration system. The filter's filtration volume is up to 7 times larger than comparable filters on the market. Its unique design filters aquarium water through a natural and silent waterfall, with the added benefit of creating disturbances in surface tension (bubbles) that will help to oxygenate your tank and create a healthier