Perlite or expanded clay - differences and tips for use

Perlite or expanded clay - differences and tips for use
Perlite or expanded clay - differences and tips for use

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Anonim

It's the same thing with perlites and expanded clay. The two aggregates are often viewed as two possible materials for the same purposes and are sometimes used almost synonymously. However, they are different materials with different properties. We'll clarify.

perlite-or-expanded clay
perlite-or-expanded clay

Perlite or expanded clay – which should I use?

Perlite and expanded clay are good drainage materials. However, there is one key difference: Perlite can store water, whereas expanded clay only absorbs it for a short time and then quickly releases it again. Expanded clay is recommended for plants that are sensitive to moisture, while perlite is better for thirsty plants.

What similarities do perlite and expanded clay have?

Perlite and expanded clay have several things in common:

  • Both materials act as useful additives in the garden.
  • Expanded clay is – as the name suggests – expanded clay. But perlite is also used in the garden exclusively as inflated grains. TheProduction is similar.
  • Both perlite and expanded clay serve, among other things, to ensuregood drainage.
  • Perlite and expanded clay can raise the pH value in the water or substrate.

What is the difference between perlite and expanded clay?

Perlite and expanded clay differ in the following properties:

  • Color: Perlite, so-called volcanic glasses, are typically white and are visually reminiscent of popcorn. In contrast, expanded clay balls have a brownish color.
  • Water storage ability: While expanded clay can absorb moisture but cannot store it, perlite has exactly this property.
  • Areas of application: In addition to being used as drainage material, expanded clay is also often used in hydroponics. Perlite is said to loosen clayey soil and keep the soil moist for longer.

Tip

What do your plants need?

If you want to use perlite or expanded clay as drainage material under the potting soil, the respective plant will tell you which additive is more suitable. Thirsty representatives benefit from perlite's water storage ability. In contrast, plants that are sensitive to waterlogging prefer expanded clay for drainage.