GrowMax Water Deionization Filter Kit (DI) 20". For 0 ppm water

The GrowMax DI Kit 20" is designed for those who don't compromise on water quality. It removes even the smallest amounts of dissolved minerals and reduces the EC value to 0 ppm . The perfect solution for hydroponics, aquariums, orchids, technical applications , and many other applications requiring ultra-pure water .

Optimal addition for high-performance reverse osmosis systems

This kit is particularly well-suited as a post-filter for large RO systems like the GrowMax Mega Grow 1000 or the Maxquarium 1000 ppm . While reverse osmosis already removes most of the contaminants, the DI kit provides the final touch – with 100% demineralized water .

Installation and maintenance

The filter kit comes with a wall mount, screws, 3/8" connections, and a DI housing and can be installed directly behind the RO system. The 20" mixed-bed cartridge can be quickly and easily replaced as needed. An EC or TDS meter reliably indicates when a change is necessary: ​​As soon as the value rises above 0 ppm, it's time for a new cartridge.

Technical data

• Type: Deionization post-filter
• Filter size: 20 inches
• Filter type: Mixed bed resin cartridge (DI)
• Compatibility: all GrowMax high flow RO systems
• Water quality after filtration: 0 ppm EC
• Connections: 3/8" quick connections
• Mounting: Wall bracket included

With the GrowMax DI filter kit 20", you get the highest water purity for professional demands – ideal for anyone who grows sensitive plants or needs the purest water for technical applications.

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.