Formed by Fire. Crafted by Nature.
Wyoming’s naturally fired clinker—rich reds, smoky blacks, and burnt orange tones. Cleaned, graded, and ready for aquariums, reptile habitats, planters, and decor.
Shop by Grade
ClinkerFine™
Smooth substrate for aquariums & shrimp tanks.
ClinkerMedium™
All-purpose substrate for tanks, terrariums, planters.
ClinkerCoarse™
Drainage, hydroponics & reptile habitat base.
ClinkerChunk™
Decor rock & top dressing — hand-selected pieces.
Use Cases
Aquariums & Aquascaping
- Natural gravel bed or backdrop pieces
- Porous surface supports beneficial bacteria
- Deep reds and blacks complement plants
Reptile & Terrarium Habitats
- Desert-like terrain with traction
- Even heat dispersion for basking zones
- Works in bioactive enclosures
Planters, Hydroponics & Decor
- Excellent drainage & aeration
- Inert and pH-neutral; reusable
- Top dressing for bonsai & succulents
Grain Size Guide
| Grade | Range (in) | Approx Mesh | Best For |
|---|---|---|---|
| ClinkerFine™ | 1/16 – 1/8 | 12–8 | Aquariums, shrimp, fine substrates |
| ClinkerMedium™ | 1/8 – 1/4 | 8–4 | All-purpose tanks, terrariums, planters |
| ClinkerCoarse™ | 1/4 – 1/2 | 4–2 | Drainage, hydro, reptile base |
| ClinkerChunk™ | 1/2 – 1½ | < 2 | Decor rock, top dressing |
Note: Rinse before use. Naturally inert and pH-neutral. Color and shape vary by piece.
Large Clinker & Show Rocks
Decor Pack – 2–4″
Hand-selected small show pieces with mixed tones for aquariums & terrariums.
Decor Pack – 4–6″
Striking medium pieces — great focal stones and background accents.
Showpiece – 6–8″+
One-of-a-kind statement clinker. Request color/shape preferences at checkout.
Wyoming Origin
Our clinker is collected from historic ridges in Wyoming, where ancient coal seam fires forged this unique material. We clean, grade, and bag locally.
Sustainable & Natural
No dyes. No additives. Just nature — responsibly sourced and ready for your habitat or project.
Wholesale & Custom Picks
Need specific tones or shapes? We hand-select and bulk ship. Contact us.