Marco Rock Foundation

ATTENTION: This item is sold Per Kilo. For example, if you purchase '3', you will get 3 Kilo and not 3 Pieces.

A highly porous rock that is perfect for reef tanks. This rock has been cut flat on one side and makes an excellent foundation for your reef structures- meaning your tank can look as close to natural as possible.

This rock is also a great way to keep your reef's pH high.

This rock will raise your water's pH. Please ensure it is suitable for your aquarium prior to purchase.