Grotek Gro-Silic Size:500ML all using the same HPS

all using the same HPS ballast

Reduced Risk of Foliage Burn

taken out of the system when needed

The outer utility straps add more function to the backpack’s clean urban design

Promotes Flowering

Grotek Gro-Silic Size:500ML all using the same HPSGro Silic Grotek Gro Silic is a concentrated liquid silicon supplement suitable for soilless and hydroponic systems. This plant available form of silicon (monosilicic acid) helps improve plant growth and quality, in part by hardening cell walls. Plants with improved cell wall structure are better able to endure periods of stress such as high temperatures and drought. Application Shake well before using. Foliar application: Dilute to 1: 5000 or