Use Drain Mate to prevernt blockages / unblocks drains & reduces odours the natural way. Bacteria are natures invisible cleaners, so Drain Mate contains lots of naturally occurring bacteria, which break down fats, grease and organic matter preventing blockages and odours in drains and waste pipes. Easy to use Drain Mate is a powder, which is totally harmless to humans, pets and wildlife and if used regularly will provide free running drains and reduce odours. Simply dissolve 25g in luke warm water and pour it down the drains at least once a week. Drain Mate is supplied in a 500g tub.