Grodan Gro-Block Improved GR6.5 Small with Hole, 4" x 4" x 2.5" - PALLET OF 2448 Reservoirs The two-part powder maintains a

The two-part powder maintains a consistent balance as a stock concentrate

The Netafim angle barbed stake results in greater water & labor savings due to easy assembly and installation thanks to the simple product design

Ideal for hydroponic

Power Si also increases nutrient absorption and bioavailability of all other nutrients by acting as an efficient transporter

Upgraded Shaft Seals and O Rings

Grodan Gro-Block Improved GR6.5 Small with Hole, 4" x 4" x 2.5" - PALLET OF 2448 Reservoirs The two-part powder maintains aNew and improved stone wool substrate with advanced wetting technology from Grodan Introducing Grodan Gro Blocks Improved, a product specifically engineered to deliver real results for your crops, developed by plant scientists, researchers, and top growers. A core component of the "Precision Growing" philosophy, Grodan Gro Blocks Improved with Advanced Wetting Technology allow you to cultivate more uniform and high quality crops while using less water