Juwel FilterGrid Unit All Conditioners & Additives which raises the ammonia level

which raises the ammonia level in the aquarium

Circulation pump with output nozzle

The older model Hydra 30 have a rectangular cartridge

Quiet and efficient

Your critters are not the only things that use oxygen in your tank

Juwel FilterGrid Unit All Conditioners & Additives which raises the ammonia levelThe Juwel Filter Grid was designed with small fish, shrimp and fry in mind. Currently the intake slots are more suited for aquariums with larger fish. However, now thanks to this filter grids special shape it creates a reduction in the size of the intake slots both at the top and the sides so aquarists with shrimp tanks or small species of fish can reduce the likely hood for fish and shrimp being caught. The carefully coordinated components blend