HQRP Foam filter pads are the ideal thickness to filter small waste particles (2nd step of mechanical filtration), removing fine debris and solid waste materials from the water. For proper installation, place these pads into the bottom filtration compartment, above the 20ppi foam pad. Foam Pad should be cleaned monthly and replaced every 3 months. Rinse foam thoroughly before inserting into filter. Foam inserts should be rinsed using water from the aquarium. Do not replace all filter media simultaneously. Stagger media replacement to ensure constant bacterial populations. - On your request, we can ship items UK, European Union Countries (except Italy, Malta, Turkey and Denmark), Australia, New Zealand, Japan and South Korea. Please, contact us prior purchasing items. It takes approxi.
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