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Say goodbye to nutrient lockout and hello to heavier harvests. Our scientists engineered pH-Up with potassium hydroxide and pH-Down with Phosphoric Acid, so you can easily achieve the ideal pH levels for optimal nutrient absorption. We’ve developed these...

Say goodbye to nutrient lockout and hello to heavier harvests. Our scientists engineered pH-Up with potassium hydroxide and pH-Down with Phosphoric Acid, so you can easily achieve the ideal pH levels for optimal nutrient absorption. We’ve developed these...

  Contains: Organically Fed, Humanely Treated Outdoor raised Dairy cow manure, straw, vineyard wood chips, and biodynamic concentrations of yarrow, chamomile, valerian, stinging nettle, dandelion, and oak bark. Mix 2 inches of Malibu Compost...

  A micro-tip shear designed for fine trimming, quick snips, and shaping small plants to improve their growth. Stainless-steel blades that stay razor-sharp through extended use, crafted with precision-ground edges. Non-stick Titanium coating...

Formulated for acid-loving plants: Hollies, Azaleas, Dogwoods, Evergreens, and Rhododendrons. Used by professionals everywhere.

Use House & Garden Bud-XL in the finishing weeks of flowering to improve the plant's natural flavors in the fruit sets.

GROW!T Perlite is a versatile and inert soil amendment and soilless medium. Use it to aerate soil in container gardening, for germination and propagation of seedlings, for propagation of cuttings, and as a hydroponic medium. Hydrofarm searched globally...

GROW!T Perlite is a versatile and inert soil amendment and soilless medium. Use it to aerate soil in container gardening, for germination and propagation of seedlings, for propagation of cuttings, and as a hydroponic medium. Hydrofarm searched globally...

New Grodan Improved! Improved product at current pricing. New density + new hydrophilic technology = better water distribution and root development. The uniform distribution of water and nutrients throughout the block allows for more efficient use of the...

Tissue culture has never been easier. Media formulas contains everything needed to generate high-quality culture growth. No measuring, no guessing. Just add water. All-in-one formula - Just add water Callus formation Stimulates root development ...

An improvement on the classic "Part A" formula for general vegetative growing. This redesigned blend is built with purely soluble and available nutrients to allow the grower maximum flexibility. Specific balance of macro, secondary and micronutrients...

An essential "Part B" provides a very soluble and available source of calcium in a two-part nutrient system. Contains very pure and completely available calcium and nitrate nitrogen nutrient sources.