JBL SilicatExJBL > Filter Mediahttp://www.charterhouse-aquatics.co.uk/catalog/jbl-silicatex-p-3088.html<UL>
<LI>Silicate (silicic acid, SiO2) causes unattractive diatom algae in the aquarium.
<LI>Mains water often contains levels of silicates which create problems with diatom algae.
<LI>This filter material permanently absorbs silicate and phosphate, preventing the growth of diatom.
<LI>1 packet (500 g) absorbs 5000 mg/l SiO2 or PO4 and is sufficient for 200-400 litres.
<LI>For freshwater and saltwater. </LI></UL>12.25upc3088Charterhouse AquaticsJBL SilicatEx0 out of 5
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