Newmarket, Ontario (Head Office)
1175 Stellar Drive, Unit #5
Newmarket, ON L3Y 7B8
- Mon10:00am–6:00pm
- Tue10:00am–6:00pm
- Wed10:00am–6:00pm
- Thu10:00am–6:00pm
- Fri10:00am–6:00pm
- Sat10:00am–4:00pm
- SunClosed
$0.00 CAD
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Grow!t Clay Pebbles are horticultural clay pebbles for hydroponic growing and root-zone support, built to improve aeration and drainage. This hydroponic grow media is designed to keep the root area open and breathable while maintaining a clean, stable base for consistent growth.
Made from 100% natural clay, these pebbles are described as clean and pH stable, with extremely stable performance in both pH and EC. That stability matters when you want a growing media that won’t swing conditions or break down into fines over time. The pebbles are also pre-washed to aid in stability, helping keep the media ready for dependable day-to-day use in common garden setups.
The structure of Grow!t Clay Pebbles is built for airflow. They drain freely and do not hold excess water, which supports good oxygen levels around the root zone and helps roots stay active. With great aeration and drainage as the core benefit, this media supports healthier root conditions that can translate into naturally healthier plants. The large surface area and unique structure are also described as an ideal environment to foster beneficial bacterial growth around the root zone, supporting a more balanced, living root area.
Durability is another key advantage. Grow!t Clay Pebbles are noted for strong structural integrity, meaning they are less likely to break and compact. Keeping the media from compacting helps preserve pore space for airflow and drainage, and it also helps prevent dripper systems from getting blocked in drip feed setups. If you want a growing media that stays consistent through handling and repeated use, that structural strength is a practical differentiator.
This media is suited to hydroponics and hydroculture applications, including flood and drain systems, deep water culture, and drip feed systems. It’s also described as suitable for multi-pot and aquaponics systems, making it a versatile option across many styles of growing. Beyond system use, it can also serve as a top dressing in pots, where it helps to prevent evaporation while giving containers a clean, finished look.
Grow!t Clay Pebbles are a good fit for growers who want a clean, pH stable, free-draining growing media that supports great aeration and drainage, with reliable structure for flood and drain systems, deep water culture, drip feed systems, and aquaponics.
Natural clay helps by holding water and positively charged nutrients on its tiny charged surfaces so they stay near roots instead of washing away, but it stays safe for drainage only when used in small, well-mixed amounts that support crumb structure rather than forming dense, smeared layers.

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