minnnt
Fish Expert
Just chuck it straight in mate.

/www.ebay.co.uk/itm/Aquarium-Bio-Chemical-Filter-Sponge-Large-45cm-x-45cm-/220793021964?pt=UK_Pet_Supplies_Fish&hash=item33684a260c#ht_5229wt_1141
/www.ebay.co.uk/itm/fluval-2-plus-filter-marine-tropcail-fish-tank-/270795519233?pt=UK_Pet_Supplies_Fish&hash=item3f0cabb501
/www.ebay.co.uk/itm/Aquarium-fish-filter-Fluval-2-plus-/230660240633?pt=UK_Pet_Supplies_Fish&hash=item35b46bf4f9
/www.ebay.co.uk/itm/aquarium-Heater-and-Fluval-2-Internal-Pump-and-filter-/160637380498?pt=UK_Pet_Supplies_Fish&hash=item2566bbe792
/www.ebay.co.uk/itm/Fluval-2-Plus-Aquarium-Fish-Tank-Internal-Power-Filter-/150648904312?pt=UK_Pet_Supplies_Fish&hash=item23135fda78
/www.fishforums.net/index.php?/topic/368942-few-bits-for-sale-eheimtap-fluval-2-rena-pump-etc/
No mate its one or the other.