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Perlag  

Perlag


PERLAG is specially processed volcanic lava with chemical composition of glass

and physical structure of foam sponge. It has highly creviced exterior surface and a

matrix of interconnected internal capillaries that provide a high surface area to

volume ratio. The fine capillaries in PERLAG act as a very efficient physical filtration

system, whilst the high air content encourages biological filtration and reoxygenation

of water. PERLAG is a lightweight aggregate with a dry density of

about 500 Kg/m3. PERLAG is inert, sterile and neutral pH and it does not break

down in use

 



Perlag


Our Price: £15.35
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