Dark Blue Slate Stone – Natural Texture & Contrast for Aquascaping

Dark Blue Slate Stone is a striking, flat-layered stone ideal for crafting dramatic hardscape structures in freshwater aquariums. Featuring deep grey-blue tones with subtle rusty brown accents, this stone adds contrast and texture while maintaining a natural, earthy appearance. Its angular cuts and slate-like layers make it easy to stack, lean, or lay flat for a variety of aquascaping layouts.

Available Package Sizes

• 5 lbs: Ideal for nano or small aquariums (up to 15 gallons).
• 10 lbs: Great for medium-sized aquariums (20–40 gallons).
• 20 lbs: Recommended for larger aquariums or for creating dramatic centerpiece layouts.

Key Features

• Rich dark blue-grey coloration with occasional warm-toned striations.
• Flat and angular shapes ideal for stacking or layering.
• Natural slate texture adds visual interest and contrast.
• Perfect for Iwagumi, nature-style, and rock-dominant aquascapes.
• Inert and aquarium-safe – will not alter water parameters.

Recommended Use

Important Notes

Each piece is naturally unique. Colouration, texture, and shape will vary from stone to stone. Stones are hand-selected to ensure a good mix for layout versatility.

Order now to bring natural depth and contrast to your aquascape with the bold, earthy tones of Dark Blue Slate Stone, available in 5lb, 10lb, and 20lb packages.