GROW!T Perlite
Best coarse amendment for gardeners needing improved soil drainage and aeration.
This super-coarse perlite is the gold standard for fixing heavy, suffocating soil. While it lacks the nutrient density of organic compost, its ability to force aeration and drainage makes it an essential structural foundation for any serious container gardener or hydroponic setup.
$39.00
at
Milehydro
More Perlite options
Who it's for
- Gardeners focused on preventing root rot and improving oxygenation
- Long-term growers needing consistent drainage across multiple seasons
- Hydroponic enthusiasts and propagators seeking stable, non-moist support
Who should skip it
- Safety-conscious users avoiding inhalation of fine silica dust
- Gardeners frustrated by perlite floating to the soil surface
- Owners of moisture-loving plants requiring high water retention
Performance breakdown
Aeration capacity
Super coarse texture creates ideal air pockets for vigorous root respiration.
Drainage efficiency
Rapid water movement prevents root rot in dense potting mixes.
Sterility assurance
Completely pathogen-free composition ensures a safe start for delicate seedlings.
Hydroponic versatility
Stable, inert structure performs reliably in various water-based growing systems.
Handling ease
Lightweight material is easy to manage despite the large bulk volume.
Soil amendment value
Generous four-cubic-foot capacity provides excellent coverage for large garden projects.
Key Specs
Grade
#3 Coarse
Volume
4 cubic feet
Weight
28.5 lbs
pH Level
7.0
Dimensions
37.25 x 20.25 x 9.75 inches
Sterilized
Yes
Material
Perlite
Drainage Level
High
Aeration Level
High
Moisture Retention Level
Low
Know before you buy
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Ask Metto anything about the GROW!T Perlite before you decide.