Aqua Illumination's Nero 7 joins your favorite submersible pump family as the big brother to the much-loved Nero 3 and Nero 5 and is perfect for medium to large aquariums.  The Nero 7 pushes up to 4000gph, offers great versatility, and delivers...

A Single Long 24" Mega ArchReal aragonitic base rock, not cement, no curing. Extensive macro and micro-porosity infused with spored bacteria for outstanding biological performance. Clean and safe for all fish and inverts, environmentally responsible each...