RedRock Starter Block PRO, 4" x 4" x 2.5" (Case of 216) micro-nutrients When paired with the UIS

When paired with the UIS CONTROLLER 69 PRO

hydroponic solutions

larger pumps (250 gallons per hour to 1000 gallons per hour) have a ceramic shaft and are suitable for saltwater operation

Full Spectrum Plant-Preferred Spectra: By the special combination of ranges that emits most light in the 400-700nm waveband

Length: Approximately 6"

RedRock Starter Block PRO, 4" x 4" x 2.5" (Case of 216) micro-nutrients When paired with the UISRedRock Starter Block PRO, 4" x 4" x 2. 5" (Case of 216) 42 40 Hole 10x10x6. 5cm 4 Inch x 4 Inch x 2. 5 Inch Commercial grade stone wool pro starter blocks sourced and manufactured in North America. Our Stone wool starter blocks are made in the USA and processed in Canada Wetting agent ensures nutrients are immediately plant available The high fiber density of the stone wool starter blocks makes better use of water and fertilizers while allowing dry