Product description
These versatile clay hydroponic pebbles are available in three granule sizes—1 mm–4 mm, 4 mm–8 mm and 8 mm–16 mm—to suit every stage of plant development, from delicate seedlings and microgreens through to mature herbs, vegetables and flowering varieties. Responsibly crafted from inert, pH-neutral natural clay, they deliver an ideal balance of excellent aeration and efficient drainage, helping to prevent root rot while promoting vigorous root growth and optimal nutrient uptake.
Whether you’re starting seeds in a tightly packed mix, supporting leafy greens or anchoring heavy fruiting crops, these pebbles integrate seamlessly into hydroponic systems and container gardens alike. Their durable, reusable nature ensures long-term value, and simple cleaning and sterilisation procedures mean they’re ready for each new growing cycle.
Note: Sold by volume (litres), not by weight.
- Three size options: 1 mm–4 mm for seedlings; 4 mm–8 mm for herbs and ornamentals; 8 mm–16 mm for larger plants and heavy fruiting varieties
- Multiple volumes: Available in 1 L, 3 L, 5 L, 10 L and 25 L bags to suit any project scale
- Superior drainage: Rapid water flow prevents waterlogging and root suffocation
- Enhanced aeration: Porous structure supports healthy, oxygen-rich root systems
- Durable & reusable: Simply rinse and sterilise between cycles for continued performance
- Inert & pH-neutral: No interference with nutrient solutions or water chemistry
- Eco-conscious: Made from sustainable natural clay without added chemicals
To use, choose the granule size that matches your crop’s requirements, fill your tray or container with pebbles, position seedlings or cuttings, and irrigate as needed. After each harvest, rinse away debris and soak in a mild bleach solution before a final rinse—ready for your next flourishing garden.
Specifications
| Brand | COMERCECORE |
|---|---|
| Product type | Hydroponic Pebbles |
| Pebble Size | 1mm to 4mm, 4mm to 8mm, 8mm to 16mm |
| Volume | 1 Litre, 3 Litres, 5 Litres, 10 Litres, 25 Litres |
Product Information
Find everything you need to know about this product, including shipping, warranty and return information.
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Delivery is free on every UK order, with no minimum spend.
Orders placed before 12pm, Monday to Friday (excluding UK bank holidays), are usually dispatched the same working day. All paid orders are dispatched within 2 working days.
Standard delivery takes around 1 to 3 working days after dispatch, depending on the courier. We send orders with Royal Mail, Yodel, Parcelforce, DPD or UPS, depending on the size, weight and destination. Larger items may arrive in more than one parcel. Tracking details are emailed once your order is dispatched.
We deliver to England, Wales, Scotland (including supported regions and islands) and the Isle of Man. We cannot deliver to Northern Ireland, the Channel Islands, BFPO addresses or PO Boxes. Please check your address and postcode carefully at checkout.
Every product is covered by your statutory consumer rights: it must be of satisfactory quality, fit for purpose and as described.
If an item arrives damaged or develops a fault, email info@comercecore.co.uk with your order number, a short description and clear photos. Please wait for our reply before sending anything back.
Within 30 days of delivery you can reject a faulty item for a full refund. After that we will repair or replace it, or refund you if that is not possible. Where an item is faulty, we cover the reasonable cost of returning it.
Where a product comes with an additional manufacturer warranty, the details are shown in its description. Damage from misuse, incorrect installation, wear and tear or modification is not covered.
You can return most items within 30 days of delivery if you change your mind. Please email info@comercecore.co.uk with your order number before sending anything back, and we will confirm your return and send the returns address.
Items should be unused, unaltered and in a condition we can resell. For change-of-mind returns you pay the return postage. Products you have cut, installed or modified (for example a pond liner cut to size) cannot be returned for a change of mind.
Please include your order number and name inside the parcel. We refund within 14 days of receiving the return, to your original payment method.
None of this affects your statutory rights. Read our full Refund Policy
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