Hydroponic Planting Sponge | Soilless Cultivation Nursery Sponge with I-Slot & Round Hole for Vegetables
Hydroponic Planting Sponge / Nursery Sponge
Pre‑Cut Polyurethane Sponge for Seedling, Cuttings & Net Pot Cultivation
Made from high‑density hydrophilic polyurethane (PU) foam, this cylindrical growing sponge measures 25 mm in diameter and 20 mm in height. Each sponge comes with a pre‑cut “I‑shaped” (or cross) slot – ready to use without any manual hole making. The material offers excellent water absorption, retention, and aeration. It is pH‑neutral, non‑toxic, and ideal for NFT pipes, net pots, germination trays, and other soilless systems.
Many Years Of Production And Manufacturing Experience
Direct Sale From The Manufacturer, Discounted Price
Ideal Seedling Support for All Hydroponic & Soilless Systems
Our Hydroponic Planting Sponge is made of high-quality polyurethane material, specially designed for soilless cultivation and hydroponic seedling raising. Featuring a pre-cut I-shaped slot and round hole, the sponge provides a secure, soft support for seeds and seedlings while maintaining excellent water retention and air permeability.
The sponge’s porous structure ensures consistent moisture and oxygen supply to plant roots, promoting fast germination and healthy root development. It fits perfectly with standard hydroponic planting baskets, making it ideal for growing vegetables, herbs, and leafy greens in hydroponic towers, NFT systems, DWC setups, and balcony gardens. Clean, reusable, and easy to handle, it is an essential accessory for both home gardeners and commercial hydroponic growers.
Parameter
Specification
Material
Polyurethane (PU) foam, hydrophilic, non‑toxic
Colors
Black, white
Applications
aeroponics, seed germination, cutting propagation, net pot lining
Made of soft, elastic polyurethane foam, the sponge is non-toxic, clean, and durable. It provides a gentle, supportive environment for seeds and seedlings, preventing root damage while retaining water and nutrients.
✓ Pre-Cut I-Slot & Round Hole Design
Each sponge comes with a pre-cut I-shaped slot and round hole for easy seedling insertion. No need to cut or modify the sponge, making planting faster and more convenient, even for beginners.
✓ Excellent Water Retention & Air Permeability
The porous structure balances water retention and air circulation, keeping roots moist and oxygenated to prevent root rot and promote healthy growth.
✓ Perfect Compatibility with Hydroponic Systems
Fits most standard hydroponic planting baskets and systems, including vertical towers, NFT channels, DWC buckets, and balcony hydroponic gardens. Ideal for growing lettuce, herbs, strawberries, and other leafy greens.
✓ Reusable & Easy to Clean
The sponge is washable and reusable for multiple growing cycles. Simply rinse with clean water to remove root debris and reuse, reducing waste and long-term costs.
It is made of high-quality polyurethane foam, which is soft, elastic, non-toxic, and safe for plant growth.
What sizes are available?
We offer different sizes including 25mm (diameter) × 20mm (height), with other sizes available for bulk orders. The pre-cut I-slot and round hole design fits most standard hydroponic baskets.
Can the sponge be reused?
Yes! It is washable and reusable for multiple growing cycles. Simply rinse with clean water to remove root debris before reusing.
Is the sponge suitable for all hydroponic systems?
Absolutely! It fits most standard hydroponic planting baskets and systems, including vertical towers, NFT channels, DWC buckets, and balcony gardens.
What plants can I grow with this sponge?
It is ideal for growing lettuce, spinach, basil, mint, strawberries, and other leafy greens and herbs, suitable for both seed starting and transplanting seedlings.
