What Rocks Are Safe For Freshwater Aquarium?
Granite. Quartz. Slate. lava rock (take sharp edges into account, particularly with fish that have sensitive barbels, such as the Cory species) Onyx and ground glass. Sandstone (always test before using, as it may contain traces of limestone) Can I use regular rocks in my aquarium? Any rocks should be thoroughly inspected for veins of … Read more