TMC Marine Bio Pearls, are a revolution in Nitrate and Phosphate Control. A Specially formulated bio-active media designed to promote the growth of Nitrate and Phosphate reducing bacteria and associated Enzymes. No unwanted additives Low maintenance, fit and forget ,Pearl shaped to improve fluidising ,Design speciifically for Marine use ,Self regulating to the requirements of the system ,A balanced method of phosphate and nitrate removal Ideal for use in TMC V2 Bio Fluidised Bed reactors ,Bind particluates and organics into a format more easily removed by skimming, Lower maintenance and more economical than Carbon or Phosphate removal media.