Overview
HQ Seiryu Stones (also known as Dragon or Blue Dragon stone) are highly prized metamorphic rocks featuring dramatic blue-grey tones and white calcite veins. Sold per kilogram (~2–4 pieces), they lend an iconic mountainous aesthetic—perfect for Iwagumi and modern nature-style planted aquariums.
Key Features
- Distinctive appearance: Jagged, rugged surfaces with beautiful blue-grey hues and bold calcite streaks—ideal focal stones .
- Porous texture: Crevices perfect for anchoring moss, ferns, and epiphytic plants .
- Aquascaping staple: Perfect for Iwagumi layouts using Oyaishi (keystone) and Soeishi (secondary) placement rules .
- Enhances plants & habitat: Natural hiding spots and surfaces enhance microfauna and shrimp activity .
- Sold by weight: 1 kg typically gives 2–4 medium stones (~5–12 cm) for versatile design .
Specifications
| Type | Metamorphic Seiryu (Dragon) stone |
|---|---|
| Weight | 1 kg bag (~2–4 stones, 5–12 cm each) |
| Color | Blue-grey with white calcite veins |
| Texture | Jagged, porous, rugged |
| Water chemistry | Contains calcium carbonate; may raise pH & KH slightly |
Why Choose HQ Seiryu Stones?
- Visual drama: Bold colors and textured detail create stunning underwater landscapes .
- Design flexibility: Perfect for creating rock mountains, caves, or minimalist layouts.
- Plant support: Crevices allow easy moss and buce anchoring .
- Educational & aesthetic: Good for learning Iwagumi principles—placing Oyaishi, Soeishi, and Fujiseki stones .
Preparation & Care
- Rinse or soak thoroughly to remove dust and residues .
- Optional soak or boil to reduce initial pH spike .
- Arrange using the classic Iwagumi rule: one keystone, one secondary, plus tertiary stones
- Attach moss/epiphytes in grooves using thread/glue.
- During weekly water changes, gently rinse stones to prevent algae build-up.
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