Holey Rock Aquarium Decor F757

Limestone Raises the pH Level of Water All Natural Found in Nature it Creates a Realistic Environment Abundant with Holes and Caves for Cichlids to Swim and Hide Contains Nutrients Essential for Healthy Fish and the Eggs They Lay Absorbs Harmful Toxins in Water Extending Time Between Cleaning Also known as Honeycomb Rock, this high grade Limestone is the single most beneficial item you can put in your tank. Collected and cleaned with a high pressure washer and very hot water with no chemicals or detergents, your rocks will arrive ready to use right out of the box. No rinsing necessary. Messages are answered right away.