BRIGHTWELL AQUATICS XPORT BIO BLOCKS 2.0 INCH BIOLOGICAL FILTRATION MEDIA Kalkwasser the ramping and pulsing sounds

the ramping and pulsing sounds can even resonate into solid floors and be heard in other rooms

Some features of the CRYS18C sump are:

Water properties as close to nature are the key for every aquarium's success

safest and smartest aquarium possible

Calcium Hydroxide (Kalkwasser Powder)

BRIGHTWELL AQUATICS XPORT BIO BLOCKS 2.0 INCH BIOLOGICAL FILTRATION MEDIA Kalkwasser the ramping and pulsing soundsXport BIO Blocks Ultra porous ceramic Block Media for Biological Filtration with Superior Performance Characteristics Overview Designed to be used in marine and hard freshwater aquariums with a pH of 7. 5 or over Highest porosity and largest useable surface area, per unit weight or volume, of all filtration media available anywhere Provides huge amounts of aerobic and anaerobic surface area for efficient bacterial colonization Laboratory Tested: