Trough Rocks 3kg

Trough Rocks are para magnetic rocks. When placed in animal's trough or pond, they work to naturally inhibit the growth of algae for a cleaner source of water. All natural minerals, no chemicals - straight from the earth.

Trough Rocks will last for about 4 months. For best results, clean up trough or pond before adding rocks. Does not contain Cobalt. 

• Perfectly Safe for Humans and Animals
• 100% Australian Made product