GROMAX  granulate in comparison  

       New, Before being used         After 3 years being used






       GROMAX  Specification :

Material specific gravity	0,90         Kg / Cdm
Volume filling weight	0,70         Kg / Cdm
Color	White - Tan
Material hardness	4 - 5            MOHS
Ground Material	27 + 6  Minerals & Active ingredients
PH	7,0 - 7,5      Neutral
Surface areas	>  500      Sqm / Cdm
Water pressure reduction	<  5 - 10 %      Only
Filtration system	Capillary Filtration Technology * C F T