AQUAGRAN® is natural silica sand and quartz gravel:
- with rounded off edges
- free from organic impurities
- produced on state-of-the-art production facilities
AQUAGRAN® is essentially for drinking water treatment in Germany and many other countries. Filters are able to remove all solid impurities when they are standard equipped with AQUAGRAN®. AQUAGRAN® filter gravel is extremely hard so that its possible to do a regular backward flushing for a lot of years.
The filter gravel has got a long durability up to 25 years,
For the treatment of drinking water AQUAGRAN® is often combined with AQUAZIT®.
Please see our product page filter coal.
- see product page: AQUAGRAN ®