Our 2.5-gallon liquid fertilizers are ideal for growers who want powerful performance with more volume and value. These professional-grade formulas support every stage of plant growth, from early development to heavy flowering and finishing.
Amber Humic-Fulvic helps improve nutrient uptake, while Armor Kote strengthens plant structure. Bloom (0-5-4), Grow (2-1-6), Micro (5-0-1), and Mendocino Hawaiian Big Bud provide targeted nutrition for healthy growth and bigger blooms. Mendocino Cal-Mag and N-Cal Mag keep plants balanced, and Avalanche supports stronger flowering. Seaweed Extract delivers natural plant stimulation, and pH Down helps you maintain the right growing environment.
Easy to use and highly effective, these 2.5-gallon options are perfect for serious gardeners, hydro growers, and commercial operations. Many are on sale, so it’s a great time to stock up.
