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Expanded Perlite, 4 cu ft

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Expanded Perlite, 4 cu ft

SKU: PER100

Perlite is a soil amendment, but what the heck is it anyway? It starts out as chunks of volcanic glass with a lot of trapped moisture inside. When heated up to 1500F+ it pops just like popcorn. Like a piece of popcorn, the expanded Perlite is lighter, fluffier and much bigger than the kernel it came from. Unlike popcorn, Perlite is sterile, and while it does have water-retention capacity, holding moisture and nutrients, it’s excellent for drainage. Because it’s not organic, it won’t ever break down to mush.

Perlite is a fantastic growing medium for rooting cuttings: fill a pot with Perlite, dip your cutting in rooting hormones, plunk it in and make sure to keep it watered with a nutrient solution—works great on seeds too.

Pro-tip: Perlite is great as a standalone hydroponic media, but it’s best suited to drip systems: it’s so light that in ebb and flow or deep-water applications it tends to float or wash away.

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Perlite is sterile, and while it does have water-retention capacity, holding moisture and nutrients, it’s excellent for drainage and aeration. Its moisture and nutrient retention capabilities and lightweight characteristics make it an excellent sterile medium for starting seeds and rooting cuttings.

Perlite does not degrade over time, which makes it a long-term solution to many gardening problems. It can be used in soil applications or in hydroponics.
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