Yes.

1. Water amaranth needs sufficient sunlight and suitable water quality conditions. Make sure there is enough light in the location where the fish tank is located, and keep the water in the fish tank clean to provide a suitable growth environment.

2. Water amaranth needs enough space for root growth and an appropriate bottom bed. You can lay a layer of bottom bed material suitable for the growth of aquatic plants at the bottom of the fish tank.

3. Make sure the water temperature in the fish tank is appropriate and not too cold or too hot to promote the growth of water amaranth.

4. When placing water amaranth in the fish tank, ensure that the depth of the water is suitable for the growth of water amaranth. Water that is too deep or too shallow may affect the healthy growth of water amaranth.