*This item is qualified for FREE SHIPPING to all 48 continental states!  Additional shipping fees may apply for shipping to Puerto Rico, Hawaii, and Alaska 

The Unzan stone is a skillfully processed stone with volcanic texture and natural-looking pockets carved into the stone, allowing for inserts of aqua soil Amazonia and aquatic plants, Simply place some aqua soil Amazonia into the pocket and plant your favorite type of carpeting plant inside - giving you an incredibly natural and zen-like layout. As it is available in various sizes, it can be used for many different aquascapes in various tank sizes.

*Due to the delicate nature of Unzan stone, every single piece is carefully wrapped in bubble wrap and other high-quality packing materials to preserve the integrity of the stone for you.

X-Large size Unzan stone is great for X-Large or taller aquariums with a height between 45 to 60cm/18" to 24"(such as 90P, 120P, 150P, or 180P). (One small, two Medium one Large, and one X-Large mix) it is a good combination set 120P tank. For more variety. X-Large Unzan stones also allow for complementary pieces to smaller Unzan in bigger aquariums such as 120P, 150P, or 180P.

Large-size Unzan stone is great for medium to large-size aquariums (such as 60H (30), 90P, or 120P). One Unzan stone is sufficient for medium sizes cube aquariums such as 60H (30). You may select to use three Unzan stones (one small, one medium, and one large) for a 90P for more variety. Large Unzan stones also allow for complementary pieces to larger Unzan stones in bigger aquariums such as 90P, 120P, and up.  

Medium-size Unzan stone is ideal for small to medium size aquariums (such as 30C, 45P, 60F, or 60P). One Unzan stone is sufficient for small-sized aquariums such as 30C, you may select to use two Unzan stones (one small and one Medium) for 45P for more variety. Medium Unzan stones also allow for complementary pieces to larger Unzan in bigger aquariums such as 60P, 75P, and up.  

Small & SS size Unzan stone is ideal for small to mini size aquariums (such as cube garden 20C, 30W, Mini M, or 45F ). One Unzan stone may be sufficient for Mini-sized aquariums such as 20C, you may select to use two Unzan stones (one small and one Medium) for Mini-M for more variety. Small Unzan stones also allow for complementary pieces to larger Unzan in bigger aquariums such as 30C, 45P, 60P, 90P, and up.  

FEATURES:

• This rock is inert and will not affect the water chemistry of your aquarium.
• The stone needs to be rinsed with water before use. 
• Unzan stone is a natural stone, it has a natural variation in color, size, and shape. We are not able to take requests for a specific color.  

SPECIFICATIONS:

• XL Size UNZAN STONE: *Approx. stone size 15 inches & up
• L Size UNZAN STONE: *Approx. stone size 10 inches- 15 inches 
• M Size UNZAN STONE: *Approx. stone size 7 inches- 9 inches
• S Size UNZAN STONE: *Approx. stone size 5 inches- 6 inches
• SS Size UNZAN STONE: *Approx. stone size 4 inches- 5 inches 
• XXS Size UNZAN STONE: *Approx. stone size below 4 inches