🌱 Orchid Nerd Sponge Rock

(Horticultural-Grade Super Coarse Perlite)

Orchid Nerd Sponge Rock is a premium horticultural-grade perlite specially selected for orchid growers, tropical plant collectors, and anyone who needs superior aeration and drainage in their growing media. This super coarse, lightweight material keeps roots healthy by allowing maximum airflow while holding just enough moisture to promote strong, vigorous growth.

Our Sponge Rock is clean, sterile, pH neutral, non-flammable, odorless, non-toxic, and resistant to decay, shrinkage, pests, and fungi. It is OMRI Listed for organic growing and provides consistent performance across a wide range of potting applications.

🌿 Key Features:

• Super Coarse Particle Size: Primarily 4–16 mesh (approximately 1–5 mm)
• Lightweight and porous – holds moisture without waterlogging
• Clean, sterile, chemically inert, and sustainable
• pH Range: 6.5–7.5
• Moisture Content: Less than 0.5%
• OMRI Listed for organic growing
• Suitable for orchids, tropicals, succulents, hydroponics, and more

✅ Why Growers Choose Orchid Nerd Sponge Rock:

• Enhances drainage and airflow for healthier root systems
• Helps prevent root rot and compacted soil
• Adds structure and longevity to custom orchid and tropical plant mixes
• Trusted by hobbyists, collectors, and professional growers alike

📦 Available Sizes:

• 1 Cubic Foot Box
• 2 Cubic Foot Box

🔗 Recommended Pairings:

• Orchid Nerd All-Purpose Orchid Potting Mix – blend with Sponge Rock for custom drainage
• Orchid Nerd Green Balls – ideal for staking, training, and supporting orchid spikes, with a green color that blends naturally into foliage
• Orchid Nerd Potting Stick – durable hard plastic orchid potting sticks are designed for tamping down potting media firmly and evenly around your plants.

💡 Tips for Best Results:

Mix Orchid Nerd Sponge Rock into bark-based orchid media or potting blends to increase drainage and root aeration. For species that require extremely dry roots, Sponge Rock can even be used alone. Always re-pot orchids after blooming to minimize stress.