Kvartsliiv Aquagran 3,0 - 5,0 mm (bag 25 kg)

AQUAGRAN® is natural silica sand and quartz:

• with rounded off edges
• free from organic impurities
• high quality

Most common filter media in filter collumns. Quartz silicia sand serves as a support layer in most water softeners and backwash filters. Different fractions of sand are poured in filter from roughest to finest sand. Sand fill volume is calculated depending on the size of tank or filter manufacturers instructions