Tunze DOC Skimmer 9004 Filter Sponges 1/2 cup) for every 20

1/2 cup) for every 20 gallons (78 liters) of aquarium water

soft algae and Cyanobacteria

and other debris or cloudiness causing particles into clumps that can easily be removed by a good mechanical filter with fine filter floss

This means you can fit almost 20 times the surface area in the same space verses bioballs

Mixes easily with RO/DI water to form a highly concentrated liquid

Tunze DOC Skimmer 9004 Filter Sponges 1/2 cup) for every 20Specifications Recommended aquarium size: 60240 L Skimmer cup volume: 0. 2 L Air intake: approx. 150 L h Power consumption: 4 W Operating voltage: 230 V 50 Hz Dimensions (L W H): 110 90 305 mm Maximum glass thickness: 12 mm Using the proven TUNZE Flash Skimming Principle, the Comline DOC Skimmer efficiently removes organic waste by drawing aquarium water through a powerful surface suction system. Designed for quiet operation and high performance, this