Lava Rock # 62 Domestic and that will make your

and that will make your fish healthier

it iis clean and ready to use when it arrives

There are 3 - 12"rocks

you are providing a constant supply of calcium for your aquarium

these are for use in fish tanks that run with an elevated pH level

Lava Rock # 62 Domestic and that will make yourLava Rock # 62 is black with a Zebra Rock and some very small accent rocks that make for good contrast The Lava Rock measures 11" High x 14" Wide and weighs right at 10 lbs. All together the group weighs 19 lbs. and all the accent rocks are inert so they don't have any effect in your Aquarium, and they are safe for anything you keep in your tank. It has all been cleaned, and you can use it right out of the box.