Cultiwool Block 4''x 4''x 2.5'' (216/Case) gels & sprays the HI9812-51 is ideal for

the HI9812-51 is ideal for users who want accurate

and buildings

05 gallons per hour

as it can negatively affect the nutrient mix and plant quality

Chain up to 100 fixtures per grow area

Cultiwool Block 4''x 4''x 2.5'' (216/Case) gels & sprays the HI9812-51 is ideal forCultiwool Block 4"x 4"x 2. 5" (216 Case) The Cultiwool Block 4"x 4"x 2. 5" is a professional quality stone wool growing block designed for hydroponic, greenhouse, and soilless growing applications. Its carefully engineered fibre structure provides an excellent balance between water retention and aeration, helping create a consistent root zone environment for vigorous root development and healthy plant growth. Ideal for transplanting established