Growth Science Strength - 2.5 GAL / 10 L pots Hydrofarm's self-watering planters provide lightweight

Hydrofarm's self-watering planters provide lightweight

and tear-resistant

These bags have a unique mesh screen sidewall which provides more screen surface area and allows for faster draining

Three square air inlets at bottom

Growth Science Strength - 2.5 GAL / 10 L pots Hydrofarm's self-watering planters provide lightweightGrowth Sciences Strength is a silica supplement designed to strengthen cell walls. Strength was specially formulated to work with the Growth Science nutrient regimen to reduce stress while providing additional potassium at the early flowering stage to help the plant meet increased nutrient demands. Why use Strength? Silica is a necessary element in plants that is often overlooked. Silica strengthens cell walls and gives plants sturdy stalks and stems