Als je wat andere middeltjes weet wat wel tegen vlooien helpt, dan hoor ik het graag!
Behalve de hond zelf,moet de omgeving ook vlooivrij worden gemaakt,niet alleen de mand,maar hele huis en tuin, en niet alleen de levende vlooien maak OOK de eitjes!
Hier staat wat in Hollands wat je kan doen,
http://www.gentlecollies.nl/wp-content/ ... sieten.pdf
http://detibetaanseterriernieuwssite.nl/natuurlijk.htm
of Google alternatieve vlooi bestrijding

Meer in Engels:
Mix a solution of 1/3 apple cider vinegar to 2/3 water. After regular shampooing and rinsing, pour this solution all over the dog.
Squeeze out the excess water and towel dry the dog vigorously. He will not smell like vinegar very long, except to the fleas who will stay away.
Add 1 tbsp. of apple cider vinegar to your dog's drinking water to help prevent and kill future fleas.
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Seep a cut up lemon in 8 oz. of water for a day.
Pour this into a clean plastic spray bottle; spray the dog's coat.
You'll need to brush it through if the dog has long hair. The dog will smell fresh to you, but fleas will not like the smell.
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Repel the fleas with the scent of lavender. You can add several drops of lavender essential oil to the dogs regular shampoo bottle or its bath water.
Be careful not to get essential oils in the dog's eyes. Mix a spray bottle with eight ounces of water and several drops of the lavender oil.
Mist the lavender water over the dogs coat either after bathing or on a dry coat every couple of days.
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Spraying with Tea Tree Oil
Spraying your dog with a solution of tea tree oil and water can work as a flea repellent as well as a treatment to current flea infestations you may face. Add 1 tsp. of tea tree oil into 1 cup of warm water and stir well. Pour the mixture into a clean spray bottle. The oil and the spray bottles may be found at pharmacies or natural health food stores.
Take your dog outside to treat him with the natural flea spray you have concocted. Some of the fleas may immediately die or leap off of your pet, so you want to avoid further infestation to your home. Spray your pet's entire coat with the tea tree oil and keep him outside for at least 15 minutes as the flea treatment dries. You will most likely need to apply the tea tree oil spray for several days until all of the fleas have disappeared. If you have other pets, limit the contact between them and the dog with fleas so that the others will not get fleas as well.
Shampooing with Tea Tree Oil
Another option for using tea tree oil to eliminate your dog's fleas is to add a few drops to your regular pet shampoo. One of the reasons why tea tree oil is an effective flea repellent is that the insects do not like the smell of the oil and will try to remove themselves from the smell. Shampoo your dog well, reaching down past any fluffy fur to the skin. You may see some fleas come away immediately. Give your dog a bath with the tea tree oil and shampoo mixture daily for a week or even longer, until you see that no fleas remain.