Horticultural Perlite (Sponge Rok) Lightweight and Aerated Growing Medium

★★★★★ 4.1 49 reviews

US$10.40
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Product details

Management number 228910550 Release Date 2026/05/31 List Price US$10.40 Model Number 228910550
Category

Waldor Orchids Famous Sponge Rock Sponge rock, also known by the name Perlite, is a very common ingredient in orchid mixes and for good reason. Sponge rock decreases compaction of mix, increases aeration and retains moisture. Sponge rock is a volcanic glass that expands when heated and becomes very porous.

  • Lightweight and Aerated: Orchid Nerd Horticultural Perlite is a unique volcanic mineral that expands up to 13 times its original volume when heated, creating a granular, snow-white material. Each particle of perlite is comprised of tiny closed air cells or bubbles, providing excellent aeration and drainage for optimal root growth.
  • Moisture Retention and Nutrient Holding: The surface cavities on each perlite particle trap moisture, making it readily available to plant roots and cuttings. Additionally, perlite's water-holding ability enhances the nutrient holding capacity, promoting healthy plant growth and development.
  • Sterile and Disease-Free: Perlite is completely sterile, free of disease, weed seeds, and insects. This makes it a safe and reliable choice for growing delicate plants such as lettuce.
  • Versatile Applications: Orchid Nerd Horticultural Perlite is a versatile addition to your gardening arsenal. It can be used by itself, mixed with topsoil, potting soil, or any other sterile media for various applications such as hydroponic systems, container growing, raised beds, seed starting, turf enhancement, and more!
  • Consistent and Long-Lasting: Our horticultural perlite maintains its characteristics over time, ensuring consistent aeration and drainage for plant roots. It will not degrade, compact, or decompose, providing long-lasting support for your plants without depleting nitrogen levels in the so
  • Waldor Orchids Over Our 75 Years In Business
  • 12x12x12= 1 cubic ft. Box
ASIN B003WGP6JY
Color White
Brand Name Orchid Nerd
Unit Count 1.0 Count
Item Weight 12 Pounds
Manufacturer Waldor Orchids
Material Type Glass
Number of Items 1
Package Quantity 1
Surface Recommendation Glass
Other Special Features of the Product organic

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4.1 out of 5
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49 ratings | 20 reviews
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