General Hydroponics® RapidStart® 500 Ml Lighting Hydroguard's reformulation makes it even

Hydroguard's reformulation makes it even more effective than before

Captures particles (including mold spores) down to 1 micron

Daylight savings mode to accommodate time change

Durable and excellent quality bags

General Hydroponics® RapidStart® 500 Ml Lighting Hydroguard's reformulation makes it evenGeneral Hydroponics RapidStart 1 0. 5 1 RapidStart is a plant nutrient used to promote root growth while enhancing plant vigor and yield. Strong root networks are linked to larger, more vigorous plants. RapidStart helps plants develop strong root networks. It can be used throughout the vegetative growth stage and in early flower stage to continue to promote root development.