Is it okay to put purple flower gourd in a fish tank?

Okay.

1. Increase the ornamental value: Purple flower gourd itself has ornamental value. Placing it in a fish tank can increase the ornamental value of the fish tank and make the fish tank more beautiful.

2. Purify water quality: Purple flower gourd can absorb harmful substances in the fish tank, purify the water quality, and is beneficial to the healthy growth of fish.