sea shells

hello, I bought a basket of different shells, with a starfish, from a gift shop while on vacation. Even though I rinsed everything, I’m not quite sure everything is fine. I didn’t think about it before, and I just put the shells and the star fish in the tank. I’m not even sure if they are real...

I just got my first paradise betta and tank. I wanted to use shells from when my family visited Florida. My father claimed I could boil them for 6 minutes or more and then rise them well. Will this work? I want to make sure to keep my fish living and thriving as much as possible. Also any...

Does anyone know if it would be ok to put sea shell in a fresh water tank?