Tetrapod that purifies aquarium water

Don't you think the probability of fry of medaka and goldfish dying due to water spoilage is high when raising them?

This is the Tetrapod to Clean Aquarium Water designed by me, a medaka enthusiast, which you can simply put into your fry container to keep the water clean and serve as a cute decorative object.

First, please look at the second to fifth photos.
Although it looks bad, the water in the aquarium was intentionally made to be full of moss and oil film for an experiment.
The murky, moss-covered water has changed to clear and vibrant water, with moss growing on the walls.

● You can't change the water because they are fry.

● If you add akadama soil or gravel, they can get stuck in the gaps and die.

● If the water stays clean for a month, your fry will grow bigger and you can change the water, right?

● The top lid is screw-on, making it easy to replace the contents.

Inside the tetrapod, there is a product that adsorbs nitrous acid and ammonia.
It has an anti-moss effect and makes the water clear.

So far, it's effective for one month with daily feeding and just topping up the water.
Please replace the contents when the effect wears off.

Made entirely in Japan.

SIZE: Approximately 5 cm each
MATERIAL: PLA

This product is 990 yen per item plus 220 yen for shipping, for a total of 1210 yen.

*Please understand that as this is made with a 3D printer, there may be minor distortions. We will finish it carefully before shipping.*

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