When placed under blue LEDs, iGLO's complete range of fluorescent plants, ornaments and gravel are designed to provide a vibrant glowing effect. For maximum fluorescence, position these decorative pieces under the unique blue LEDs that come equipped on all Marina iGlo aquariums. Fill your aquarium base with iGlo gravel for maximum fluorescence or mix it with solid-colored gravel for pops of glow throughout. Key Features :

• Dust-free
• Safe
• Non-toxic
• Glows under blue light
• Size: 2 kg (4 lbs)