NYOS® PHOSI-EX is an high-performance, moist silicate and phosphate adsorber.

Removes phosphate and silicate

Prevents unwanted algae plagues

No emission of aluminium

Leads to crystal clear water

Technical Details


250 ml (8.5 oz) / 500 ml (17 oz) / 1000 ml (34 oz)


150 - 200 ml (5 - 7 oz) per 500 l (125 gal)


1000 - 2000 l (250 - 500 gal) sea water at 0,5 mg / l (ppm) phosphate

Product Details

Phosi Ex 1000Ml 800X1200 Dark

NYOS® PHOSI-EX is an extremely high-performance, moist and secure silicate and phosphate adsorber on an iron basis. The targeted use of PHOSI-EX will prevent unwanted algae plagues effectively and your aquarium will shine in all its glory.

The advantages at a glance:

  • Removes phosphate and silicate permanently, quickly and efficiently
  • Removes and prevents unwanted algae plagues
  • No change to the pH value
  • No emission of aluminium or other harmful substances
  • Leads to crystal clear aquarium water