Oolitic Sand - Graded Fluidised Sand Filter Media
Highest Quality Graded Oolitic Sand for use with all fluid bed filters.
Specially graded sand with uniform particle size for use in fluidised sand bed filters.
Note:
Non graded coral sand is often inncorrectly sold for use in fluid bed filters.
The sand must be graded to allow the correct fluided motion, when all sand particles are of the same size they will fluidise equally and improve the biological performace of the filter.
