Can you put seven color crystal boll in a fish tank with fish?

It's not recommended to put color crystal balls in a fish tank with fish. Here's why:

* Toxicity: Some crystals are dyed with pigments that could leach into the water and harm your fish.

* Sharp edges: The balls may have sharp edges or points that could injure your fish.

* Water quality: The crystals could interfere with water parameters, potentially harming your fish.

* Fish safety: Fish may try to swim through or around the balls, possibly getting trapped or injured.

* Aesthetics: The crystals might look attractive, but they can clutter the tank and detract from the natural beauty of the fish and plants.

Instead of crystal balls, consider these safer options for your fish tank:

* Smooth, rounded river rocks: These are a natural and safe addition to your tank.

* Decorative caves and castles: These provide hiding places and enrich your fish's environment.

* Live plants: These add natural beauty, improve water quality, and provide shelter for your fish.

* Non-toxic plastic or ceramic ornaments: Choose ones without sharp edges or small pieces that your fish could swallow.

Always research any decorations you add to your tank to ensure they are safe for your fish.