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$45.99
BLACK SOIL SOCIETY | P35 Coarse Perlite – High-Porosity Mineral Grit – Structural Aeration for Monstera & Orchids – Anti-Compaction Substrate Amendment – Hand-Packed in the UK (20L)
★★★★★
$45.99
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1
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About this item
- 🌿 P35 COARSE PERLITE AMENDMENT | Standard perlite is too fine; it collapses. Our P35 grade is a structural, high-porosity mineral grit designed for professional orchid and aroid mixes. It creates a permanent, non-collapsing scaffold within your substrate to ensure maximum root respiration and rapid drainage.
- 🌿 ANTI-COMPACTION ARCHITECTURE | We don’t do sludge. This volcanic-grade perlite acts as a structural aerator, preventing your potting soil from settling into a suffocating, airless brick. It maintains "Air-Gap Geometry" indefinitely, pulling fresh oxygen into the root zone with every watering cycle.
- 🌿 VOLCANIC GAS EXCHANGE | Roots are lungs. P35 is kiln-expanded volcanic glass, engineered with thousands of micro-pores to facilitate superior gas exchange. It mimics the airy, debris-rich crevices of a tropical canopy, making it the ideal professional foundation for Monstera, Philodendron, and Anthurium.
- 🌿 RAPID DRAINAGE INFRASTRUCTURE | Built for the "Flash-Flood" method. This coarse mineral grit allows water to surge through the pot instantly, hydrating the roots before shedding excess moisture. It is the ultimate tool for eliminating the stagnant "death zones" that invite root rot.
- 🌿 CLINICAL GRADE & INERT | No mystery fillers. No fine dust. 100% pH-neutral and sterile. Hand-packed in the UK for the maker who demands total control over their nutrient chemistry. A clean, honest, and predictable medium for high-value botanical specimens.
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What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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