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Hello everyone 😄 The weather has been changeable for a while, so are you feeling well? Raising medaka is important, but the coronavirus is also increasing, and it is the season when it is easy to get heatstroke. There is no point in getting sick, so let's take good care of our health and do our best with medaka! In this video, have you ever faced the following problems when cultivating paramecium? • The water is dirty • I don't know if they are there because of floating objects • I want to take out only the paramecium • The smell is bad and I want to change the water I think there are such things. I made a certain item to solve such problems. The reason I started using this item was because someone I met at a sales event told me to "try using this". After that, I made several improvements and completed the item introduced in this video, so I made a video❗ Please try it out for yourself‼ ️