Ohko, also called Dark Dragon Stone, is an argillaceous rock that does not influence the water hardness, and whose holey structure and warm earthen tones make it an eye-catcher for your aquascape that gives it a very natural impression.
The hardscape is essentially the backbone of every aquarium. Having rocks and wood provides a natural environment as well as shelter for inhabitants to find comfort and security within. Ohko Stone / Dark Dragon Stone is arguably one of the most sought after vivarium rocks used as hardscape material in recent times.
Ohko Stone is a clastic sedimentary rock comprised of clay minerals and other small bits of organic matter that wash up from passing waves of water. This rock is also commonly referred to as Dragon Stone due to its scale-like appearance. Due to its clay material, this type of stone is generally light when compared to other types of aquascaping rocks. Dragon Stone is a type of mudstone that has a unique formation only found in a few parts of the world.
Even though Ohko Stone is a rare stone to find in many parts of the world, It’s mineral make-up is not. This stone is essentially a mudstone and forms very similar to other sedimentary rocks found throughout the world. The look of this stone will vary based on the location it’s harvested as well as the part of the structure it is broken off from. Many inhabitants sharing an enclosure with this type of hardscape will appreciate the many crevices formed in this rock. It makes a great hiding place for smaller animals as well as a good anchoring source for aquarium plants to latch on to. A final take away to keep in mind for this rock is it has little impact on the environment, making it ideal for all types of aquariums.
The product pictures stand as examples. Stones are a natural product and no two rocks are the same. Each purchase will be comprised of an individual and unique selection of stones to suite the tank size that you have selected. The more hardscape you have the better your tank will be, you should always have extra hardscape to build and design the best environment for your Aquarium or Vivarium.
Also See Hardscape
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