It's not recommended to plant the water lily in the fish tank, because the growth of the two will conflict, which is not good for them.
It is necessary to apply fertilizer and supplement nutrients during the growth period of the water lily. If the fertilizer is applied in the fish tank, it will definitely affect the health of the fish. But if do not apply fertilizer to the growth of the water lily and very bad, so do not put together cultivation.
The growth of the water lily needs sufficient light. It likes the strong light and can't bear the shade. And the fish don't like strong light, the two will conflict, so we should avoid
If cultured in a fish tank, its root system can not be fixed, floating in the water may be bitten or swallowed by fish