Is it safe to put rocks like these in the tank without the risk of

Is it safe to put rocks like these in the tank without the risk of breaking the bottom? : r/Aquariums

Build Aquarium Safely - What Rocks Can be Put in Aquarium

Aquarium Rocks: Safe and Unsafe Rocks to Put in Fish Tanks, by Smartplanted

Any ideas what I could do, to help the scape of my oscar tank? : r/Aquariums

how can i get my 20g crystal clear? : r/Aquariums

5 Tips on Substrate for a Planted Tank — Buce Plant

Safe Rocks For Freshwater Aquarium: Safety And Selection Tips

Dog Rocks - Prevent Grass Burn Spots by Urine 200g - Save Your Lawn from Yellow Marks : Pet Health Care Supplies : Patio, Lawn & Garden

Are rocks from my yard safe for my aquarium? REEF2REEF Saltwater and Reef Aquarium Forum

Overdosed on API Conditioner!! Help please, I accidentally dumped 30ml of API into a 55 gal… no fish in it yet… will it be safe to put fish in? Or do I need to do a water change? : r/Aquariums