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as they last for the life of your plant
Readily available Nitrogen
is a break through natural solution for fungus gnat control
IngredientsCalcium Nitrate
The tray fits in a standard 10" x 20" flat and keeps the Grodan elevated from the bottom of the flat
Emerald Harvest Sturdy Stalk (0 - 0 - 1) Size:6 Gallon as they last for theBuild up your plant cell walls and encourage productivity with Sturdy Stalk, a potassium silicate supplement from Emerald Harvest. Sturdy Stalks key ingredientsilicafortifies your plants and enriches the internal structures needed to support top heavy plants laden with flowers and fruits. Since it strengthens cells, silica helps plants withstand environmental and other stressors so that they spend more of their energy creating blooms and buds. The