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Your cart is empty.4.5 out of 5 stars
Product Description
About Hygger CO2
Hygger CO2 is a sub-brand of hygger dedicated to providing more professional products and services for aquascaping enthusiasts. We supply everything you need to create natural beauty in your aquarium.
Our mission is to help every aquarium enthusiast experience the joy of creating natural beauty in their tank. Join us as we explore the endless possibilities of aquascaping and create a harmonious, natural, and vibrant underwater world together.
Hygger CO2 Natural Seiryu Rock
We carefully select premium Seiryu rocks ranging in size from 4-6 inches and are available in 6.6 lb, 13.2 lb, and 20 lb weights. These stones are naturally textured and uniquely shaped.Whether you're creating mountains, valleys, or isolated outcrops, you can combine multiple stones of varying sizes to achieve an impressive hardscape design.These versatile stones work beautifully in both freshwater and planted aquariums, providing an ideal foundation for attaching moss and other aquatic plants.
- Aquascaping Essential
- Distinctive Texture
- Irregular Shapes
- High Hardness
- Minimal Maintenance
Mika
Reviewed in the United States on March 6, 2025
Very good quality stones, decently sized.
Szoo
Reviewed in the United States on March 14, 2025
First off, I don't think these are truly seiryu stone, since I think it's illegal to export those from Japan now - but there are plenty of places that have very similar rocks which hobbyists have been using, so this is probably from one of those.the rocks have good color and vein pattern, but I found many of the rocks were chipped during shipping, and I probably lost about half a pound of rock in the form of small chips / dust that were useless.I would say the rocks are large enough to be useably sized in a 20gal tank, possibly 30, but beyond that, the rocks are going to appear mighty small inside the tank.
IloveShopping
Reviewed in the United States on February 20, 2025
I am very pleased with these seiryu stones. Of all the aquarium rocks I've purchased from various vendors, none were as nicely packaged as these. Each stone was individually wrapped in bubble wrap! This showed the seller's care in ensuring the product arrived intact. While some small chips are practically unavoidable, the total amount of fragments I received was about the size of a quarter, which is amazing. I received six nicely sized stones (4.5", 5", 5", 6", 6.5", and 6.5"), another pleasant surprise, as most were on the larger end of the listed size range. The texture is also amazing. These stones will be perfect for my future aquascaping projects.As a side note, seiryu stones can raise pH, GH, and KH levels in an aquarium.
David Riley
Reviewed in the United States on February 17, 2025
These are a decent value set of Seiryu stones. There are assorted pieces of different sizes and they're well matched for use in stacking or positioning otherwise in an Aquascape. They come well packed in bubble wrap, but even with that one of the stones in my box was broken. Overall though this is a quality set of different sizes and colors of gray.
dave
Reviewed in the United States on February 12, 2025
I literally just got a box of rocks.And more surprisingly I’m happy about it.The rocks are on the small side, which is how they were described. Two of them are quite flat and I’m not sure what I’m going to do with them other than maybe make a top of a cave.I have similar stone in my fish tanks already so they will work great. There is a way to use superglue and cotton or paper towels to get them to stick together and make structures.I am using these in a 20 gallon tank so proportionally that should work out fine.They are literally as advertised rocks in a box. However, they were each individually wrapped with bubble wrap, and all arrived intact, and none were broken. This was a concern I had.They are pretty dusty and dirty, but nothing a quick so scrub can’t clean up. It’s typical in the aquarium. Hobby for stones to be shipped that way to a store. If I was at the store, I never would’ve purchased the two flat rocks. But they will eventually work somewhere.
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