Hydrofarm Geolite Pebbles | 45L - 8-20mm

Natural Clay Growing Medium for Root Ventilation, 45L

Hydrofarm Geolite Pebbles are a strong, versatile growing medium made from 100% natural Italian clay, industrially produced at high temperature and treated for consistent EC and neutral pH.

This 45L, 8-20mm bag offers high total porosity for root ventilation and oxygenation, along with efficient drainage suited to hydroponics, hydroculture, and aquaponics.

Key Features & Benefits

• 100% Natural Italian Clay — industrially produced at high temperature for consistency
• Consistent EC & Neutral pH — treated for stable, predictable growing conditions
• High Total Porosity — approximately 85% by volume for root ventilation and oxygenation
• Multi-System Compatible — suited to drip feed, deep water culture, and flood and drain setups

Who Should Use Hydrofarm Geolite Pebbles

Suited to hydroponic, hydroculture, and aquaponic growers who want a stable, low-EC clay growing medium.

About Hydrofarm

Hydrofarm supplies growing media and equipment for hydroponic and horticultural applications, including GEOLITE clay pebbles.

Frequently Asked Questions

What are these pebbles made from?

100% natural Italian clay, industrially produced at high temperature.

What is the total porosity?

Approximately 85% by volume.

What systems is this suited for?

Drip feed, deep water culture, and flood and drain setups.

What size are these pebbles?

45L, 8-20mm.