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Keep your plants productive and green with Cal-Mag, a calcium and magnesium supplement from Emerald Harvest®. Containing top-quality ingredients, Cal-Mag is designed to nourish crops with extra calcium and magnesium and create the right conditions for...

Bulky B is a water soluble formula, it provides essential nutrients needed for vigorous plant growth in the early and mid-flowering stages.

For use with cactus, palm and citrus. A rich, premium blend of sphagnum peat humus, peat moss, sand and perlite that has been enriched with Myco-tone. Provide optimum aeration and drainage, improved moisture retention and reduces drought stress. Also...

Elite 91 SILICIC ACID contains one of the most powerful, concentrated forms of silicic acid ever achieved in a stable liquid form. It boasts an incredible concentration of 4.1% Monosilicic Acid and 1.2% plant available Silicon, 21 different organic...

Elite 91 SILICIC ACID contains one of the most powerful, concentrated forms of silicic acid ever achieved in a stable liquid form. It boasts an incredible concentration of 4.1% Monosilicic Acid and 1.2% plant available Silicon, 21 different organic...

DIRECTIONS FOR USE: SHAKE WELL BEFORE EACH USE. Add Elite 91 ROOTS with every feeding from seedling/cloning growth stage up until the 5th or 6th week of the crops fruiting/flowering cycle. Soil, Coco, Hydroponics: Add 0.5 ml 2 ml per gallon of nutrient...

Get the most benefit from every flower in your garden with Emerald Harvest King Kola. A powerful bloom booster designed to create bigger, denser blossoms, King Kola provides the essential elements your crops need to burst forth in heavy buds and flowers...

The beneficial bacteria in this microbial inoculant colonize the rhizosphere of your crops. While soil gardens naturally contain myriad microbes that enhance root vigor and boost nutrient uptake, Root Wizard supplies your soilless garden, which otherwise...

Build up your plant cell walls and encourage productivity with Sturdy Stalk, a potassium silicate supplement from Emerald Harvest®. Sturdy Stalk’s key ingredient—silica—fortifies your plants and enriches the internal structures needed to support...

Nurture your valuable crops with Emerald Goddess, an invigorating plant tonic from Emerald Harvest. We’ve taken Mother Nature’s best naturally occurring elements and other components and purified and refined them into a superlative one-shot addition...

Magnum with Vitamin B1 is a potent magnesium supplement for preventing or treating the magnesium deficiency that often appears during bloom. Chlorophyll deficiency in the bloom stage causes fading leaves right when flowers are putting on mass at a rapid...

Flower hardener specially developed and field tested in the Emerald Triangle of Humboldt, Mendocino and Trinity Counties in Northern California. Helps stimulate flower development in the final bloom stage, for an increase in the size and mass of flowers...