Every aquarium enthusiast knows that to upkeep the appearance of your tank and its inhabitants is no easy task. Japanese shrimp breeders have highly regarded these rocks as an essential tool in their breeding facilities. Now you too can reap the benefits of these wonderful white rocks! <br><br> Whether you have shrimp, fish, crab or snail, SunGrow Rocks are multi-purpose and must-have in your aquarium supplies!<br><br> <b>They care for your aquatic life:</b> Rich in calcium, they help snails and crabs build thicker shells, give shrimp a more vibrant color and helps in improving the digestive system of shrimps.<br><br> <b>They care for your tank:</b> Perfect for soft water. Its rough cut design gives the tanks a rustic look.<br><br> <b>They care for you:</b> The rocks are gentle on hands.<br><br> Each pack contains some mineral rocks (0.5 inch on an average) surrounded by mineral powder. One pack is enough for a 14 gallon tank and lasts 3 months. So it's not at all heavy on your pocket. They are small and take very little space. So they are great for your nano tanks too!<br><br> <b>Directions:</b> To use, simply soak it separately before placing it in your tank. During regular tank maintenance, wipe the rocks with a damp cloth to remove unwanted elements that may occur over time before placing it back in the water.<br><br> <b>SunGrow Tip:</b> Make a hiding place for your shrimps with the rock and see how much they will love playing inside it.