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Silvaperl Perlite

  • From £4.95
Available | Usually dispatched within 24 hours
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Perlite is highly-absorbent expanded volcanic glass that works well as both a media additive to improve aeration, and as a growing media on it's own.

Inorganic, inert and sterile, it doesn't become soggy. It also insulates well against temperature fluctuations and makes for a popular 50/50 mix with vermiculite.

Available in 10l or 100l (UK mainland only) bags.

Perlite is a highly absorbent expanded volcanic glass and works well as both a media additive to improve aeration, and as a growing media in its own right.

Perlite does not become soggy and its aerated structure ensures plenty of oxygen gets to the root zone. As with other inorganic substrates, perlite is free from disease and insects and insulates well against temperature fluctuations.

Although Perlite does not have the surface area of Vermiculite and is therefore not as good at retaining water, it also does not compact as much either, which means the two make for a popular 50/50 mix.

Perlite is inorganic, inert, and sterile.

***Please note we only ship the 100l bags to mainland UK addresses***

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Can I use Perlite as a stand alone growing medium?

Yep, no worries at all, it is used like this in many different countries and for many different types of plants.
What other growing mediums can I mix with Perlite

There are two “classic” perlite mixes. One is 50/50 with Vermiculite (often used for starting seeds off) the other is to mix it at around 10-20% into soil or coir to improve drainage and structure.
Can I reuse Perlite?

If it’s being used as a stand-alone growing medium, we strongly advise against it. Perlite will hold onto nutrients and used perlite will be very nutritionally unbalanced. If you use it as a soil additive at 10-20% and reuse the soil, there shouldn’t be any problems.
Is Perlite prone to Pythium?

It can happen, but you would need to overwater the plants in a very hot grow room for a long period of time. It’s more prone to getting too cold during the winter months again when overwatered, it’s a good idea to keep an eye on the root zone temperature at this time of year. Always let the nutrient solution adjust to room temperature before watering perlite.
Is it dangerous to breath the dust that Perlite gives off?

Yes, you don’t want to be doing that. The best thing is to wet it first and let the dust run off that way. However, beware really cold tap water, as mentioned above. The dust won’t irritate your skin, it’s only bad if you get it into your lungs.
If I use Perlite on it’s own, what’s the best nutrient to use?

Most standard hydroponic nutrients will work, however, we find that most of our customers prefer to use either Intense or Canna Hydro.
Perlite Vs Vermiculite – what’s the difference?

Basically, Perlite is high in silica and good for aeration while Vermiculite hangs on to a lot of water. A perfect blend for young plants is 50% Perlite and 50% Vermiculite – this gives you the best of both worlds and is a widely used growing media in the horticultural industry.
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