Aqua-gravel
silica sand
Aqua-gravel is a 100% natural silica sand, through an elaborate refining process, together with constant quality control, elevated to a top quality media - free of clay, dust, organic matter or any other contamination, thus meeting all international standards.
Read more
Aqua-sand
silica sand
Aqua-sand is a 100% natural silica sand, through an elaborate refining process, together with constant quality control, elevated to a top quality media - free of clay, dust, organic matter or any other contamination, thus meeting all international standards.
Read more
Aqua-volcano
filter medium of volcanic origin
Aqua-volcano is a porous, lightweight filter medium of volcanic origin. Its rough surface makes it very well suitable for filtration of all kinds of water carrying suspended solids. Filterruns between 2 backwashings are up to 10 times longer in a dual media or three media filter, compared with single layer sand filters, while there is an improvement of the water quality as well. Besides, there are enormous savings of backwash water.
Read more