Leech Rainbow Gravel for Leech Aquarium hirudo medicinalis Activity against hookworms has been

Activity against hookworms has been demonstrated for levamisole but the most effective treatment regimen has not been determined

we do not know exactly

The hirudotherapy process using big leeches involves a minimal amount of pain or discomfort

yet lightweight Plastic

20 Leeches

Leech Rainbow Gravel for Leech Aquarium hirudo medicinalis Activity against hookworms has beenLeech Rainbow Gravel for Aquarium, Terrarium, Jar & Lodge Rainbow leech gravel is not only for decoration but can also be used to keep leeches cool in the summer months, as they will cool themselves off by laying on the non toxic gravel. Suitable for Pet Leeches and Buffalo leeches All colors of the rainbow 1 Bag Large Re usable Perfect amount for your 2 3 Leech Jars, Terrariums or Aquariums