Perlite

Additive for your orchid substrate. Perlite (1 - 7,5mm) - 1,2l Perlite is an inorganic, inactive, sterile product. The granules have many capillary

Perlite: Mineral information, data and localities.

Pure horticultural grade perlite. Grade 1, Fine Coarseness (granule size about one eighth of an inch.) Perlite is made from all natural volcanic rock that is heated under pressure until it explodes like popcorn, leaving a white puff that is so light that it will actually float. Perlite is added to soil and soil-less potting mixes (like coconut coir) to provide additional aeration, drainage, and insulation for roots against extreme cold. Perlite helps keep soil from compacting.

Horticultural Grade Perlite - Five 8 Quart Bag ~2 lbs Each - Grade 1, Fine Coarseness (~1/8 inch Particles) - Soil Amendment Additive - for Growth

Should You Use Perlite for Succulents? (The Ultimate Guide)

Appearing as tiny, roundish white specks amid the other components, perlite in potting soil is a non-organic additive used to aerate the media.

Perlite Pellet Soil Nutrient Substrate

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Horticultural Perlite Soil Additive (2 Quarts); for Enhanced Potting Mix Drainage and Growth

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Perlite - Block Fill Insulation for Horticultural & Construction Applications

Miracle-Gro Perlite