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| Alfagrog is a Volcanic rock and has been used
now for several years with a great deal of success .. it is very
inert and soon colonises with beneficial bacteria ... its draw
backs - sharp on the hands when cleaning ... so please wear
gloves.. Alfagrog 15kg bags (Large Piece) Product Code: FME-101 Price £9.99 + Vat in UK and EEC |
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