Clay Hydroponic Aggregate Pebbles, 4mm - 8mm
These expanded clay aggregate pebbles measure 4 mm – 8 mm in diameter and are sold by volume (approx. 360 g per litre), providing a lightweight, porous growing medium ideal for hydroponics and other planting systems.
Crafted from natural clay and expanded under intense heat, these larger round pellets maintain exceptional aeration and moisture retention, ensuring roots receive ample oxygen while preserving optimal hydration. Their pH-neutral properties buffer nutrient solutions, encourage vigorous root development and minimise the risk of waterlogging and root rot.
Key Features
- Size & volume sale: 4 mm – 8 mm pebbles sold by volume (approx. 360 g per litre), not by weight.
- Superior aeration: Larger void spaces deliver excellent oxygen flow to roots.
- Optimal moisture retention: Balances water holding and drainage to prevent waterlogging.
- pH-neutral & reusable: Provides a stable growing environment and is easy to clean for multiple cycles.
- Versatile application: Perfect for hydroponics, aquaponics, terrariums, orchid pots or as a decorative soil top-dressing.
Delivery
Fast & Free Delivery on Eligible Items.
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Returns
Something not quite right? You have 14 days from the day you receive it, to send something back.
Please note, we cannot offer refunds on fashion face masks, cosmetics, pierced jewellery, adult toys, and swimwear or lingerie if the hygiene seal is not in place or has been broken. Items of footwear and/or clothing must be unworn and unwashed with the original labels attached. Also, footwear must be tried on indoors. Items of homeware including bedlinen, mattresses, and toppers, and pillows must be unused and in their original unopened packaging. This does not affect your statutory rights.
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