ppo8820
Aquarium Advice Freak
- Joined
- Nov 9, 2014
- Messages
- 393
Ive seen some pretty cool rocks around my house and I was wondering how I can tell if they would be safe in my tanks or not? I already have high PH and hard water, so I am not looking to raise that any higher. Does anyone have any fail proof way to tell if a rock is tank suitable or not?