UNS · Stone
Ancient Stone
Iwagumi keepers who like the Manten look and want a slightly darker, more angular stone.
4 models
UNS · Stone
UNS Lagoon Stone
A porous grey, white and black stone that sits between Wolf Stone and Icelandic lava. Its irregular shapes stack into larger structures and hold moss and epiphytes well.
Updated
Best for
Moss-heavy scapes and stacked rock builds where the stone should be a focal point.
Worth knowing
Quite rough, so not ideal with bettas or other long-finned fish.
What stands out
- 5, 10 and 20 lb lots
- Grey, white and black colouring
- Porous and rough
- Stacks into tall structures
Models and specs
| Model | Weight |
|---|---|
| 5 lbMJNS10865 | 2.3 kg |
| 10 lbMJNS10861 | 4.5 kg |
| 20 lbMJNS10862 | 9.1 kg |
- Brand
- UNS
- Effect on water
- Not stated; light porous rock like this is usually inert, but test before use
- Colour
- Grey, white and black
- Texture
- Porous, rough
- 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 Lagoon Stone, drawn from its specs.
Does Lagoon Stone affect water chemistry?
Not stated; light porous rock like this is usually inert, but test before use.
How do I prepare Lagoon Stone before use?
Rinse and scrub well before use
Who is the UNS Lagoon Stone best for?
Moss-heavy scapes and stacked rock builds where the stone should be a focal point.
Is there anything to watch out for with the UNS Lagoon Stone?
Quite rough, so not ideal with bettas or other long-finned fish.
What are the alternatives to the UNS Lagoon 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.