WIO - Grey Fossil Stone

Fossil stone natural forms — rounded, blocky, and layered — can be arranged vertically or horizontally to emulate cliffs, terraces, or ancient riverbeds.

Fast and free

Safe for all aquatic animals

24/7 support

Grey Fossil Stone Per pound 4.4 lb Nano Bag 11 lb Nano Box 24 lb Standard Box 46 lb Mega Box

$9.95

Save $-9.95 Sold out

Quantity

Details

Pre-wash: Rinse thoroughly and gently scrub before use

Placement: Lay substrate or LandForms beneath stones to protect the glass

Mixing: Secure stacked or layered arrangements with ScapeBound for stability

Clearance: Keep a small distance from aquarium glass for easy maintenance access

Water Chemistry: May slightly raise pH and water hardness — manage with routine water changes using RO/soft water or with water softeners if needed

SHIPPING INFO

Fast and free shipping within the U.S. on orders over $49!

Worldwide free shipping on orders over $199!

FAQ

Q: What is WIO Grey Fossil Wood Stone used for?
A: WIO Grey Fossil Wood Stone is a premium natural aquascaping stone used to create realistic landscapes, mountain formations, and nature-inspired hardscape layouts in planted aquariums.

Q: Why is it called Fossil Wood Stone?
A: The stone features unique layered textures and grain-like patterns that resemble ancient petrified wood, giving aquascapes a distinctive natural appearance.

Q: Is Grey Fossil Wood Stone safe for aquariums?
A: Yes, it is aquarium-safe and suitable for freshwater aquariums, aquascapes, and planted tanks.

Q: Can I use Grey Fossil Wood Stone in planted aquariums?
A: Absolutely. Its natural grey tones pair beautifully with aquatic plants, aquasoils, decorative sands, and driftwood.

Q: What aquascaping styles work best with this stone?
A: It is ideal for nature aquariums, mountain scapes, canyon layouts, forest-inspired aquascapes, and hardscape-focused designs.

Q: Is every piece the same?
A: No, each stone is naturally unique in shape, texture, colour, and pattern, allowing for truly one-of-a-kind aquascapes.

Q: Can I combine it with driftwood?
A: Yes, Grey Fossil Wood Stone works exceptionally well with driftwood, mosses, carpeting plants, and other natural hardscape materials.

Q: Is it suitable for shrimp and fish tanks?
A: Yes, it is suitable for freshwater fish, shrimp, and planted aquarium environments.

Q: Should I rinse the stone before use?
A: Yes, rinsing thoroughly before placing it in the aquarium helps remove dust and loose particles from transport and packaging.

Q: Can I stack Grey Fossil Wood Stone to create structures?
A: Yes, its natural shape and texture make it ideal for building cliffs, terraces, mountain ranges, and focal-point hardscapes.

Q: Is it suitable for nano aquariums?
A: Yes, smaller pieces are perfect for nano aquascapes, while larger stones can create dramatic centrepieces in larger display tanks.

Q: Why choose WIO Grey Fossil Wood Stone?
A: Its distinctive fossil-like texture, natural grey colouring, and versatile shape make it an excellent choice for creating realistic, professional-quality aquascapes with depth and character.

Q: Can beneficial bacteria grow on the stone?
A: Yes, the textured surface provides additional area for beneficial bacteria to colonise, supporting a healthy aquarium ecosystem.

View full details

Fast and free
Safe for all aquatic animals
24/7 support
Over 100,000 happy aquariums

Grey Fossil Stone Boxes

Grey Fossil Stone is a study in geological elegance — towering metallic-grey forms shaped by deep metamorphic forces and refined into softly rounded monoliths. Often mistaken for Fossil Wood due to its layered appearance, Grey Fossil is actually gneiss, one of the most advanced metamorphic rock types. Extreme heat and pressure have forged its signature structure: alternating bands of blocky feldspar crystals and fine, plate-like mica layers that create subtle striping, mineral shimmer, and a calm, architectural presence unlike any other hardscape stone.

Under directional light, the mineral bands flash with a cool silver glint while valleys sink into charcoal shadow, enhancing the stone’s sculptural relief and three-dimensional depth. Under diffused top lighting, Grey Fossil softens into a smooth metallic gradient — perfect for minimalist Iwagumi concepts, mountainous ridge scapes, paludarium backdrops, and any layout where clean form and quiet drama take center stage. Submerged, its tones deepen toward steely grey; in terrariums, its dry surfaces reveal matte mica textures that read ancient and refined.

Compose as you would with monumental towers: begin with your tallest statement piece, then stair-step medium stones forward to establish perspective and natural paths. Use smaller accents to bridge height transitions and strengthen geological flow. Pale sands amplify sparkle and contrast, while darker substrates create immersive depth and gallery-style calm. Paired with fine-leaf plants or mosses, Grey Fossil delivers striking contrast without overwhelming the greenery.

Available Sizes
4.4 lb (2 kg) Nano Bag
11 lb (5 kg) Nano Box
24 lb (11 kg) Standard Box
46 lb (21 kg) Mega Box
Available per pound as well

Why You’ll Love It
✓ Metallic grey tower stones with monolithic forms
✓ Advanced metamorphic banding with natural mica shimmer
✓ Excellent for building depth, paths, and layered cliff structures
✓ High-impact stone with refined, architectural presence
✓ Creates remarkable contrast with plants and wood
✓ Suitable for aquariums and terrariums

Details
Color: Metallic grey
Stone Sizes: Mixed stones approx. 1–12 in (3–30 cm)
Texture: Highly textured, monolithic formations with rounded shapes and mineral banding
Composition: Metamorphic gneiss with feldspar crystal layers and mica striping
Atmosphere: Clean, monumental, high-depth landscapes

Setup & Care
Pre-wash: Rinse thoroughly and gently scrub before use
Placement: Lay substrate or LandForms beneath stones to protect the glass
Mixing: Secure stacked or layered arrangements with ScapeBound for stability
Clearance: Keep a small distance from aquarium glass for easy maintenance access
Water Chemistry: May slightly raise pH and water hardness — manage with routine water changes using RO/soft water or with water softeners if needed

Safe for fish, shrimp, and all aquatic and terrarium animals.