Pi Nutrients / NutriVida (Heavy Harvest) Grow 4 L T12 Very durable and reliable

Very durable and reliable

Arc tube material: PCA

Our Hard Core® ballast with dual input voltage easily switches from 120 to 240-volt power

hobby gardeners

this powerful formula will make your plants (and yields) explode

Pi Nutrients / NutriVida (Heavy Harvest) Grow 4 L T12 Very durable and reliable(NOTE: Nutrivida & Heavy Harvest use the same formula. We carry the NutriVida brand.) Heavy Harvest Grow is a fertilizer designed to be used simultaneously with Heavy Harvest Micro during the vegetative growth of a wide variety of bedding, fruiting and flowering plants. Relatively high amounts of nitrogen in this product are intentionally provided with an optimal ammonium to nitrate ratio of 20: 80. This ratio allows for maximum growth of plants