The Ohko Stone, or otherwise known as Dragon Stone, was originally found in Japan close to lakes, ponds, or at the seashore. The water erosion from the tides create these holes/ripples within the Ohko stone and then were hardened from the sun.
The Ohko stone (Dragon Stone) is a rock that resembles dragon scales. It typically has a greenish brown coloring and is very light weight compared to other hardscape stones.
Aquascapers say the Ohko stone is basically composed of hardened clay, which has been known to be very fragile. Even with this downside, the cratered surface of the Ohko stone results in many mini-caves and nooks for anchoring moss and plants alike.
This stone does not alter any of the water parameters.
Tip: Important that you wash the stones in aquarium water or RO, RODI water
Note: Photos are representative of the types of rocks that we have available. You will receive a selection of rocks with characteristics similar to those shown in pictures but they will be different.