DescriptionAs we are familiar with, the amount of the worm suppressed drug will affect the water quality of the aquarium and it is difficult to completely remove the planarian. So under normal circumstances, there is no need to use drug deinsectization, you can try to use worm trap to remove them. Portable and practical small trap.Features- Color: White. - Material: Acrylic. - Size: 3 x 3 x 3cm. - Transparent mini case for practical worm leech removing. - Thicken case for durable long lasting use. - Lightweight and small size for easy storage. - for fish tank Planaria, Worm, Leech, Vivarium, Planarian Pest remove. - Easy use: Stuffed some dead shrimp, pork, animal liver, shrimp and other food bait inside, and placing underwater, tiny worm will be attracted and through mini hole to get inside. Once in and never out.