Hydroponic Nutrients

Cal-Mag™ Plus is a highly fortified calcium, magnesium and iron plant supplement formulated to correct common deficiencies. Supplementing your preferred nutrient program with Cal-Mag™ Plus is strongly recommended when using reverse osmosis water and when growing in coco coir-based medias to compensate for natural calcium draw. Cal-Mag™ Plus can also be applied as a foliar spray to further enhance growth.

Cal-Mag™ Plus is a highly fortified calcium, magnesium and iron plant supplement formulated to correct common deficiencies. Supplementing your preferred nutrient program with Cal-Mag™ Plus is strongly recommended when using reverse osmosis water and when growing in coco coir-based medias to compensate for natural calcium draw. Cal-Mag™ Plus can also be applied as a foliar spray to further enhance growth.

Cal-Mag™ Plus is a highly fortified calcium, magnesium and iron plant supplement formulated to correct common deficiencies. Supplementing your preferred nutrient program with Cal-Mag™ Plus is strongly recommended when using reverse osmosis water and when growing in coco coir-based medias to compensate for natural calcium draw. Cal-Mag™ Plus can also be applied as a foliar spray to further enhance growth.

Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorous, potassium, magnesium and sulfur.

Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorous, potassium, magnesium and sulfur.

Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorous, potassium, magnesium and sulfur.

Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorous, potassium, magnesium and sulfur.

Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorous, potassium, magnesium and sulfur.

Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorous, potassium, magnesium and sulfur.

Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high phosphorous, potassium, magnesium and sulfur.

Gro-Blocks™ are similar to a plant container. Need a 3 in pot? Then choose a 3 in Gro-Block™. Small plants can be fully grown in our larger Gro-Blocks™. Holes are perfect size for any 1.5 in starter plug. Come in packs labeled with instructions. Big Mama is Grodan's largest block ever produced! Big enough to grow a large plant for its entire life. More than twice the amount of wool as our Hugo Block.

Stimulates structural and vegetative growth. Builds strong roots. Provides nitrogen, phosphorous, potassium and secondary minerals.

Stimulates structural and vegetative growth. Builds strong roots. Provides nitrogen, phosphorous, potassium and secondary minerals.

Stimulates structural and vegetative growth. Builds strong roots. Provides nitrogen, phosphorous, potassium and secondary minerals.

Stimulates structural and vegetative growth. Builds strong roots. Provides nitrogen, phosphorous, potassium and secondary minerals.

Stimulates structural and vegetative growth. Builds strong roots. Provides nitrogen, phosphorous, potassium and secondary minerals.

Stimulates structural and vegetative growth. Builds strong roots. Provides nitrogen, phosphorous, potassium and secondary minerals.

Stimulates structural and vegetative growth. Builds strong roots. Provides nitrogen, phosphorous, potassium and secondary minerals.

The Gro Pro® Essential Round Fabric Pots are constructed from high-quality non-woven fabric. This fabric provides great support, while allowing air to travel into the root system. Gro Pro® Essential Round Fabric Pots feature breathable fabric allowing for faster plant growth through better access to oxygen. Air flow prunes the root structure for a healthier and happier plant. Gro Pro® Essential Round Fabric Pots will not trap water, which can help prevent overwatering of plants. Also keeps your roots cool in the heat. The Essential line of fabric pots are made from 220 gram weight material for great durability at an economical price.

Silicate is a beneficial nutrient supplement to be used in conjunction with a standard nutrient program. Silicate helps strengthen plant tissue, helping plants flourish in adverse environmental conditions such as heat, drought and frost. Silica Blast reinforces and enhances plant tissues leading to bigger harvests, increased fruit quality and higher resistance to environmental stressors.

Silicate is a beneficial nutrient supplement to be used in conjunction with a standard nutrient program. Silicate helps strengthen plant tissue, helping plants flourish in adverse environmental conditions such as heat, drought and frost. Silica Blast reinforces and enhances plant tissues leading to bigger harvests, increased fruit quality and higher resistance to environmental stressors.

Silicate is a beneficial nutrient supplement to be used in conjunction with a standard nutrient program. Silicate helps strengthen plant tissue, helping plants flourish in adverse environmental conditions such as heat, drought and frost. Silica Blast™ reinforces and enhances plant tissues leading to bigger harvests, increased fruit quality and higher resistance to environmental stressors.

Silicate is a beneficial nutrient supplement to be used in conjunction with a standard nutrient program. Silicate helps strengthen plant tissue, helping plants flourish in adverse environmental conditions such as heat, drought and frost. Silica Blast™ reinforces and enhances plant tissues leading to bigger harvests, increased fruit quality and higher resistance to environmental stressors.

Silicate is a beneficial nutrient supplement to be used in conjunction with a standard nutrient program. Silicate helps strengthen plant tissue, helping plants flourish in adverse environmental conditions such as heat, drought and frost. Silica Blast™ reinforces and enhances plant tissues leading to bigger harvests, increased fruit quality and higher resistance to environmental stressors.

Alchemist™ Liquid Oxygen H2O2 is composed of 34% hydrogen peroxide. Use with caution. Keep away from children. It is considered unlawful to sell, use or distribute this product in ways other than as claimed. Items ordered direct from vendor are eligible for Return to Stock claims.

99.9% lab reagent/technical-grade isopropyl alcohol. Items ordered direct from vendor are eligible for Return to Stock claims.

AzaMax™ is a natural product with a broad spectrum of pest control. It contains Azadirachtin A & B as active ingredients and more than 100 limonoids. AzaMax™ does not use hard chemical solvents. It is an antifeedant and insect growth regulator that controls pests through starvation and growth disruption. Effectively controls spider mites, thrips, fungus gnats, aphids, whiteflies, leaf miners, worms, beetles, leafhoppers, scales, mealy bugs, nematodes and other soil-borne pests. Mix a tablespoon per gallon.

Alchemist™ Liquid Oxygen H2O2 is composed of 34% hydrogen peroxide. Use with caution. Keep away from children. It is considered unlawful to sell, use or distribute this product in ways other than as claimed. Items ordered direct from vendor are eligible for Return to Stock claims.

Alchemist™ Liquid Oxygen H2O2 is composed of 34% hydrogen peroxide. Use with caution. Keep away from children. It is considered unlawful to sell, use or distribute this product in ways other than as claimed. Items ordered direct from vendor are eligible for Return to Stock claims.

Alchemist Liquid Oxygen H2O2 is composed of 34% hydrogen peroxide. Use with caution. Keep away from children. It is considered unlawful to sell, use or distribute this product in ways other than as claimed. Items ordered direct from vendor are eligible for Return to Stock claims.

99.9% lab reagent/technical-grade isopropyl alcohol. Items ordered direct from vendor are eligible for Return to Stock claims.

99.9% lab reagent/technical-grade isopropyl alcohol. Items ordered direct from vendor are eligible for Return to Stock claims.

99.9% lab reagent/technical-grade isopropyl alcohol. Items ordered direct from vendor are eligible for Return to Stock claims.

Alchemist™ Liquid Oxygen H2O2 is composed of 34% hydrogen peroxide. Use with caution. Keep away from children. It is considered unlawful to sell, use or distribute this product in ways other than as claimed. Items ordered direct from vendor are eligible for Return to Stock claims.

Alchemist™ Liquid Oxygen H2O2 is composed of 34% hydrogen peroxide. Use with caution. Keep away from children. It is considered unlawful to sell, use or distribute this product in ways other than as claimed. Items ordered direct from vendor are eligible for Return to Stock claims.

AzaMax is a natural product with a broad spectrum of pest control. It contains Azadirachtin A & B as active ingredients and more than 100 limonoids. AzaMax does not use hard chemical solvents. It is an antifeedant and insect growth regulator that controls pests through starvation and growth disruption. Effectively controls spider mites, thrips, fungus gnats, aphids, whiteflies, leaf miners, worms, beetles, leafhoppers, scales, mealy bugs, nematodes and other soil-borne pests. Mix a tablespoon per gallon.

AzaMax is a natural product with a broad spectrum of pest control. It contains Azadirachtin A & B as active ingredients and more than 100 limonoids. AzaMax does not use hard chemical solvents. It is an antifeedant and insect growth regulator that controls pests through starvation and growth disruption. Effectively controls spider mites, thrips, fungus gnats, aphids, whiteflies, leaf miners, worms, beetles, leafhoppers, scales, mealy bugs, nematodes and other soil-borne pests. Mix a tablespoon per gallon.

AzaMax™ is a natural product with a broad spectrum of pest control. It contains Azadirachtin A & B as active ingredients and more than 100 limonoids. AzaMax™ does not use hard chemical solvents. It is an antifeedant and insect growth regulator that controls pests through starvation and growth disruption. Effectively controls spider mites, thrips, fungus gnats, aphids, whiteflies, leaf miners, worms, beetles, leafhoppers, scales, mealy bugs, nematodes and other soil-borne pests. Mix a tablespoon per gallon.

The foundation of Floralicious® is Floralicious Plus, our No. 1 nutrient additive. This highly concentrated solution is formulated for use in both the vegetative and flowering stages of growth. Floralicious features a potent blend of nutrients for plant vigor. Whether you're using prepared soil or soilless mixes, coco blends, or hydroponics, Floralicious can help you bring out the best in your plants.

The foundation of Floralicious® is Floralicious Plus, our No. 1 nutrient additive. This highly concentrated solution is formulated for use in both the vegetative and flowering stages of growth. Floralicious features a potent blend of nutrients for plant vigor. Whether you're using prepared soil or soilless mixes, coco blends, or hydroponics, Floralicious can help you bring out the best in your plants.

The foundation of Floralicious® is Floralicious Plus, our No. 1 nutrient additive. This highly concentrated solution is formulated for use in both the vegetative and flowering stages of growth. Floralicious features a potent blend of nutrients for plant vigor. Whether you're using prepared soil or soilless mixes, coco blends, or hydroponics, Floralicious can help you bring out the best in your plants.

The foundation of Floralicious® is Floralicious Plus, our No. 1 nutrient additive. This highly concentrated solution is formulated for use in both the vegetative and flowering stages of growth. Floralicious features a potent blend of nutrients for plant vigor. Whether you're using prepared soil or soilless mixes, coco blends, or hydroponics, Floralicious can help you bring out the best in your plants.

The foundation of Floralicious® is Floralicious Plus, our No. 1 nutrient additive. This highly concentrated solution is formulated for use in both the vegetative and flowering stages of growth. Floralicious features a potent blend of nutrients for plant vigor. Whether you're using prepared soil or soilless mixes, coco blends, or hydroponics, Floralicious can help you bring out the best in your plants.

The foundation of Floralicious® is Floralicious Plus, our No. 1 nutrient additive. This highly concentrated solution is formulated for use in both the vegetative and flowering stages of growth. Floralicious features a potent blend of nutrients for plant vigor. Whether you're using prepared soil or soilless mixes, coco blends, or hydroponics, Floralicious can help you bring out the best in your plants.

A premium, one-part plant food for use in many types of growing techniques such as hydroponics, soil and soilless applications. Pure Blend Pro® Bloom is used in the flowering and fruiting stages to support vigorous buds, fruits and flower formation.

Designed specifically to be used in soil container gardens. When cultivating fruiting and flowering plants in soil, growers usually need to double or triple phosphorous levels, unlike hydroponics, thus making the 1-4-5 formula ideal for soil applications.

Designed specifically to be used in soil container gardens. When cultivating fruiting and flowering plants in soil, growers usually need to double or triple phosphorous levels, unlike hydroponics, thus making the 1-4-5 formula ideal for soil applications.

Designed specifically to be used in soil container gardens. When cultivating fruiting and flowering plants in soil, growers usually need to double or triple phosphorous levels, unlike hydroponics, thus making the 1-4-5 formula ideal for soil applications.