For the treatment of swimming pool water AQUAGRAN® is sized according to DIN 19643.
AQUAGRAN® is natural silica sand and quartz gravel:
- with rounded off edges
- free of organic impurities
- produced on state-of-the-art production facilities
A lot of open air bath and indoor swimming pools as well as spas and therapeutic hospitals are trusting in the high quality of AQUAGRAN®.
The very exact classified granulations allow optimal construction of filter aggregates. With AQUACOLOR® the filter will be able to remote all hard impurities and degradation products of chlorination. 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.
Within the treatment of the swimming pool water AQUAGRAN® is often combined with filter coal.
Please see our filter coal product pages about:
- see product page: Filter sand & gravel [AQUAGRAN]