balls for biochemical purposes :
They are used as the culture medium of the cultivation of
aerobic and anaerobic bacterium.The following functions are included: ion exchange,
deodorization, adjustment of PH, etc.
dissolution helper : This
is a ceramic material with tiny pores evenly distributed in
the whole material.It minimizes air bubble sizes and promotes the solubility of air
and carbon dioxide in water.
is an air bubble generator which can be used in either sea
water or fresh water.