GrowMax Water Blue Hose for Reverse Osmosis and Garden Grow

Growmax 3/8" Hose – 10 Meters, Blue

The Growmax 3/8" hose in blue offers the highest quality for use in water filters and reverse osmosis systems . With a length of 10 meters, this durable hose is perfect for installing and expanding your Growmax system, especially for models with larger connections such as the Garden Grow or Super Grow .

For strong water flows and easy installation

Thanks to its larger diameter compared to 1/4" hoses, the 3/8" hose allows for higher water flow rates—ideal for systems with up to 800 L/h. The blue color is used to mark clean water lines. The hose is compatible with all standard 3/8" connectors.

Technical data

• Color: Blue
• Outer diameter: 3/8" (approx. 9.5 mm)
• Length: 10 meters
• Material: Food-safe plastic, UV and pressure resistant

Compatible with:

• Growmax Garden Grow
• Growmax Super Grow
• Growmax Pro Grow
• All other systems with 3/8" hose connection

Whether for new installation or as a replacement – ​​this hose offers you maximum safety, flexibility and water throughput for your filter system.

Shipping costs
For shipping within Germany, we charge a flat rate of €6.90 , and for seed orders, it's just €3.90 . We want to offer you a special shopping experience – for orders over €150, we cover the shipping costs for you, so your order will be delivered to your home free of charge.

Shipping time
We know how important fast and secure deliveries are. That's why your order will be carefully packaged and insured within Germany to ensure it arrives safely. Delivery time is typically 1-4 business days , so you can have your desired products in your hands soon.

You can return your order to us within 14 days.