UNS · Stone
Ancient Stone
Iwagumi keepers who like the Manten look and want a slightly darker, more angular stone.
4 models
UNS · Stone
UNS Joro Stone
A distinctive purple-red stone with grey and cream veins running through it. It is an unusual colour in aquascaping and makes a strong statement in themed or nature-inspired scenes.
Updated
Best for
Scapers after an uncommon colour to set a layout apart from the usual grey rock.
What stands out
- 10, 20 and 30 lb lots
- Deep purple-red with grey and cream striations
- Blocky shapes that pair well with wood
Models and specs
| Model | Weight |
|---|---|
| 10 lbJRS0010 | 4.5 kg |
| 20 lbJRS0020 | 9.1 kg |
| 30 lbJRS0030 | 13.6 kg |
- Brand
- UNS
- Effect on water
- Not stated by the seller; do a vinegar fizz test and check KH/GH before use
- Colour
- Purple-red with grey and cream veins
- Texture
- Blocky, veined
- Prep
- Rinse and scrub well before use
Figures from Glass Aqua's product listing. Makers revise products, so check the current figures before buying. Photos supplied by the brand or its distributor.
Compare with
Browse all hardscape
UNS · Stone
Ashen Stone
Minimal or river-style scapes that want bright, soft stone against lush green planting.
3 models
UNS · Stone
Black Lava Rock
Budget-friendly builds, nano tanks and moss-covered scapes that need plenty of stone volume.
1 model
UNS · Stone
Black Lava Rock Cave
Shrimp and nano tanks that need hiding spots, or scapers wanting planted pockets at different heights.
4 models
Frequently asked questions
Quick answers about the UNS Joro Stone, drawn from its specs.
Does Joro Stone affect water chemistry?
Not stated by the seller; do a vinegar fizz test and check KH/GH before use.
How do I prepare Joro Stone before use?
Rinse and scrub well before use
Who is the UNS Joro Stone best for?
Scapers after an uncommon colour to set a layout apart from the usual grey rock.
What are the alternatives to the UNS Joro Stone?
Other hardscape worth comparing: UNS Ancient Stone, UNS Ashen Stone, UNS Black Lava Rock. Add any of them to the compare table to see the specs side by side.