RedRock Starter Block PRO, 4" x 4" x 2.5" (Case of 216) micro-nutrients Using methanol safely is essential

Using methanol safely is essential due to its toxic and flammable nature

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

This premium pad features a built-in handle for easy transport and storage

hydroponic solutions

Bloom: 5 ml/gallon

RedRock Starter Block PRO, 4" x 4" x 2.5" (Case of 216) micro-nutrients Using methanol safely is essentialRedRock 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