Additives & Supplements
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Terpinator 55 GallonTerpinator was created from years of researching naturally occurring plant compounds that are bio-osmotic potentiators. Through our patented scientific process, your plants will utilize these compounds to enhance their production of terpinoids and plant oil producing glands. These glands are brought to their maximum...
- Regular price
- $188.99
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$226.79 - Sale price
- $188.99
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Purpinator 55 GallonPurpinator is a specialty nutrient additive formulated to deliver increased flavonoid, terpenoid, and resin production in your plants. In addition to these benefits, Purpinator will improve the coloration of plants with purple phenotypes. Much like its predecessor, Terpinator, Purpinator activates the metabolic pathways for...
- Regular price
- $1,357.60
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$1,629.12 - Sale price
- $1,357.60
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Mother Earth Subterra Root Booster 0-1-1, 1 Quart -Mother Earth Subterra Root Booster 0-1-1 is a liquid plant supplement for transplants and starts. Young plants need strong root systems to reach their full potential as they grow. Mother Earth Subterra Root Booster 0-1-1 is crafted to get them there. With a unique...
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- $15.29
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$18.35 - Sale price
- $15.29
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Mother Earth Subterra Root Booster 0-1-1, 1 Pint -Mother Earth Subterra Root Booster 0-1-1 is a liquid plant supplement for transplants and starts. Young plants need strong root systems to reach their full potential as they grow. Mother Earth Subterra Root Booster 0-1-1 is crafted to get them there. With a unique...
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- $8.75
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$10.50 - Sale price
- $8.75
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Mother Earth Seasons Choice Tomato & Vegetable Mix 4-5-6 4.4 lb -Mother Earth Season’s Choice Tomato & Vegetable Mix 4-5-6 is an all purpose granular vegetable fertilizer. It is designed for nutrient availability to plants like tomatoes, zucchini, cucumbers, squash, peppers and more, giving you hearty crops and a garden full of goodies. Use on...
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- $13.38
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$16.06 - Sale price
- $13.38
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Mother Earth Root Down Plant Starter Mix 3-6-3 4.4 lbMother Earth Root Down 3-6-3 is a granular fertilizer designed for young starts and transplants. Bring ‘em up right, right from the start with a blended fertilizer designed to encourage vigorous growth and abundant root development in young plants and seedlings. Mother Earth Root...
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- $13.38
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$16.06 - Sale price
- $13.38
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Mother Earth Power Flower Fantastic Flowering Mix 1-8-6, 4.4 lb -Mother Earth Power Flower Fantastic Flowering Mix 1-8-6 is a granulated fertilizer for flower- and vegetable-bearing plants. Your heavy fruit-, flower- and vegetable-bearing plants need to replenish themselves after the intensity of a flowering cycle. Restore their nutrients—and your payoff—with this formula high in...
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- $13.38
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$16.06 - Sale price
- $13.38
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Mother Earth Nitro Bat Guano 5-3-1, 2 lb -Mother Earth Nitro Bat Bat Guano is a single-ingredient bat guano supplemental fertilizer. From our cave to your garden, Mother Earth Nitro Bat Bat Guano 5-3-1 is sure to become your garden’s new best friend. This dry fertilizer is great for oversized and fast-growing...
- Regular price
- $13.38
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$16.06 - Sale price
- $13.38
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Mother Earth LiquiCraft Grow 4-3-3, 1, 1 Quart -Mother Earth LiquiCraft Grow is a premium foundational liquid plant fertilizer for vegetative plants, flowers and tomatoes. Give your garden the boost it needs, when it needs it most. Using this specially formulated nutrient keeps roots fat and happy during that crucial vegetative growth...
- Regular price
- $16.36
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$19.63 - Sale price
- $16.36
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Mother Earth LiquiCraft Bloom 2-4-4, 1 Quart -Mother Earth LiquiCraft Bloom is a premium liquid plant fertilizer for blooming plants, flowers and tomatoes. Mother Earth LiquiCraft Bloom 2-4-4 is designed to feed your fruiting and flowering plants during the bloom cycle. It provides nutrients that are essential for fruit and flower...
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- $16.36
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$19.63 - Sale price
- $16.36
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Mother Earth Floressence Bloom Supplement 1-1-1, 1 Quart -Mother Earth Floressence Bloom Supplement 1-1-1 is a liquid plant supplement for flowering and fruiting plants. Bigger, brighter flowers start with heartier, happier plants. Crafted to bring out the best in your plants, this powerful liquid supplement contains multiple plant hydrolysates, mined minerals, and...
- Regular price
- $19.32
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$23.18 - Sale price
- $19.32
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Mother Earth Floressence Bloom Supplement 1-1-1, 1 Pint -Mother Earth Floressence Bloom Supplement 1-1-1 is a liquid plant supplement for flowering and fruiting plants. Bigger, brighter flowers start with heartier, happier plants. Crafted to bring out the best in your plants, this powerful liquid supplement contains multiple plant hydrolysates, mined minerals, and...
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- $11.89
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$14.27 - Sale price
- $11.89
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Mother Earth Farmers Market All Purpose Mix 4-5-4 4.4 lb -Mother Earth Farmer’s Market All Purpose Mix 4-5-4 is a granular plant fertilizer for all plants, flowers and tomatoes. Champion growers rejoice! You’ve got the blue ribbon in the bag with the help of Mother Earth Farmer’s Market All Purpose Mix 4-5-4. Designed for...
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- $13.38
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$16.06 - Sale price
- $13.38
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Mother Earth Acid Drop Formulated For Your Acid Loving Plants 3-4-6 4.4 lb -Mother Earth brings you this granular fertilizer that is formulated for your acid-loving plants 3-4-6. Beauty takes time. That’s why there’s Mother Earth Acid Drop formulated for your acid-loving plants. This mix feeds your most charming shrubs like rhododendrons, azaleas, camellias, and blueberries. Each...
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- $13.38
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$16.06 - Sale price
- $13.38
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Down To Earth Neem Seed Meal - 5 lbNeem Seed Meal is produced during the extraction of oil from the seed of the Indian neem tree (Azadiracta indica). It is an excellent way to strengthen root systems, improve plant immunity and balance nutrient levels in the soil. Neem Seed Meal can be...
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- $16.64
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$19.97 - Sale price
- $16.64
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Down To Earth Kelp Meal - 5 lbDown To Earth™ Kelp Meal is pure ascophyllum nodosum seaweed from the clean, cold waters of the North Atlantic Ocean. Hand-harvested, carefully dried and finely milled, our Kelp Meal is a rich natural source of potash and is ideal for early spring or fall...
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- $21.01
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$25.21 - Sale price
- $21.01
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Down To Earth Crab Meal - 5 lbCrab Meal is a superb source of organic nutrients for vegetable gardens and flower beds and is wonderful for building soil tilth. Crab Meal enhances beneficial soil microorganism populations due to its rich chitin content and also makes an incredible compost bio-activator.
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- $12.20
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$14.64 - Sale price
- $12.20
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Down To Earth Blood Meal - 5 lbA high nitrogen source, our Blood Meal is guaranteed to promote rapid, green growth. A wonderful fertilizer for heavy feeders like corn, spinach, salad greens and garlic in the early spring, it also helps compost piles heat up and break down fast.
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- $15.89
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$19.07 - Sale price
- $15.89
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Purpinator 1 GalllonPurpinator is a specialty nutrient additive formulated to deliver increased flavonoid, terpenoid, and resin production in your plants. In addition to these benefits, Purpinator will improve the coloration of plants with purple phenotypes. Much like its predecessor, Terpinator, Purpinator activates the metabolic pathways for...
- Regular price
- $60.94
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$73.13 - Sale price
- $60.94
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Mother Earth LiquiCraft Grow 4-3-3, 1 GallonMother Earth LiquiCraft Grow is a premium foundational liquid plant fertilizer for vegetative plants, flowers and tomatoes. Give your garden the boost it needs, when it needs it most. Using this specially formulated nutrient keeps roots fat and happy during that crucial vegetative growth...
- Regular price
- $39.34
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$47.21 - Sale price
- $39.34
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Mother Earth LiquiCraft Bloom 2-4-4 1, 1 GallonMother Earth LiquiCraft Bloom is a premium liquid plant fertilizer for blooming plants, flowers and tomatoes. Mother Earth LiquiCraft Bloom 2-4-4 is designed to feed your fruiting and flowering plants during the bloom cycle. It provides nutrients that are essential for fruit and flower...
- Regular price
- $39.34
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$47.21 - Sale price
- $39.34
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HydroDynamics Ionic PK Boost 1 GallonIonic® PK Boost is formulated to be applied during the final few weeks before harvest of most fruiting and/or flowering crops. It is designed to work with Ionic® Bloom products, but is also compatible with most liquid bloom nutrients. Ionic® Boost delivers the key...
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- $40.84
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$49.01 - Sale price
- $40.84
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HydroDynamics Ionic Grow 1 GallonSpecifically formulated for the green vegetative stage of growing plants, Ionic® Grow delivers the essential elements to the roots of a plant in a more precise manner. It is designed to maximize the potential for vigorous vegetative growth in green plants and during the...
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- $40.84
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$49.01 - Sale price
- $40.84
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GH General Organics BioRoot 1 Gallon
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- $48.23
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$57.88 - Sale price
- $48.23
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GH Flora Micro 1 GallonThe foundation of the building-block system. Provides nitrogen, potassium, calcium and trace elements. Combine with FloraGro® and FloraBloom®.
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- $25.78
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$30.94 - Sale price
- $25.78
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GH General Organics BioBud 1 GallonUsed during the flowering phase of plant growth with any base fertilizer, BioBud® can be used in garden soil, potting mix, or other growing media. Use with General Organics® BioThrive®, or other fertilizer in garden soil, potting mix, or other growing media. Guaranteed Analysis:...
- Regular price
- $126.40
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$151.68 - Sale price
- $126.40
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Green Cleaner 1 GallonSpray Green Cleaner on plants of every age, from clones through harvest. Unlike other products, spider mites do not get immune to Green Cleaner. Kills mites and their eggs. Washes powdery mildew right off the plant. All natural, you can even use Green Cleaner...
- Regular price
- $250.04
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$300.05 - Sale price
- $250.04
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Purpinator 2.5 GallonPurpinator is a specialty nutrient additive formulated to deliver increased flavonoid, terpenoid, and resin production in your plants. In addition to these benefits, Purpinator will improve the coloration of plants with purple phenotypes. Much like its predecessor, Terpinator, Purpinator activates the metabolic pathways for...
- Regular price
- $106.60
- Regular price
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$127.92 - Sale price
- $106.60
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- per
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HydroDynamics Ionic PK Boost 2.5 GallonIonic® PK Boost is formulated to be applied during the final few weeks before harvest of most fruiting and/or flowering crops. It is designed to work with Ionic® Bloom products, but is also compatible with most liquid bloom nutrients. Ionic® Boost delivers the key...
- Regular price
- $86.39
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$103.67 - Sale price
- $86.39
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HydroDynamics Ionic Grow 2.5 GallonSpecifically formulated for the green vegetative stage of growing plants, Ionic® Grow delivers the essential elements to the roots of a plant in a more precise manner. It is designed to maximize the potential for vigorous vegetative growth in green plants and during the...
- Regular price
- $86.39
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$103.67 - Sale price
- $86.39
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HydroDynamics Ionic Bloom 2.5 GallonIonic® Bloom is for the reproductive and flowering stage of growing plants. It delivers the essential elements to the roots of a plant in a more precise manner. Ionic Bloom is enhanced with the crucial elements that support increased budding points and large, fragrant...
- Regular price
- $86.39
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$103.67 - Sale price
- $86.39
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General Hydroponics PRO pH Up 2.5 GallonGeneral Hydroponics Pro pH adjusters are based on completely different technology than our traditional smaller sized adjusters offering. New non-mineral based acids and bases will not add nutrient value like the use of phosphoric acid or potassium hydroxide. They are safer to use as...
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- $90.72
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$108.86 - Sale price
- $90.72
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GH Rapid Start 2.5 GallonRapidStart® is a plant nutrient used to promote root growth while enhancing plant vigor and yield. Strong root networks are linked to larger, more vigorous plants. RapidStart® helps plants develop strong root networks. It can be used throughout the vegetative growth stage and in...
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- $773.66
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$928.39 - Sale price
- $773.66
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CYCO Zyme 5 Liter (OK Label)Cyco Platinum Series Cyco Zyme enhances growth when used in hydroponic and soil-free systems such as coco peat.
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- $105.00
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$134.99 - Sale price
- $105.00
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CYCO Uptake 5 Liter (OK Label)Cyco Uptake may increase micronutrient uptake in your plants.
- Regular price
- $39.61
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$47.53 - Sale price
- $39.61
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CYCO Silica 5 Liter (OK Label)Cyco Silica benefits include greater tolerance to environmental stresses and improved growth rate.
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- $41.48
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$49.78 - Sale price
- $41.48
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CYCO Kleanse 5 Liter (OK Label)Cyco Platinum Series Kleanse is a salt clearing agent that is formulated to solubilize most micronutrients, cationic nutrients or metals in a growing environment. Kleanse can be utilized during the growth and bloom period to clean the root system from accumulated mineral salts. Kleanse...
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- $29.70
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$35.64 - Sale price
- $29.70
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CYCO B1 Boost 5 Liter (OK Label)Cyco Platinum Series B1 Boost is an additive used throughout the vegetative and flowering periods of plant growth. Used at higher concentrations in vegetative growth than flowering, B1 Boost contains high amounts of the natural vitamin B1, also known as thiamine. Thiamine is a...
- Regular price
- $92.40
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$110.88 - Sale price
- $92.40
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Green Cleaner 8 oz.Spray Green Cleaner on plants of every age, from clones through harvest. Unlike other products, spider mites do not get immune to Green Cleaner. Kills mites and their eggs. Washes powdery mildew right off the plant. All natural, you can even use Green Cleaner...
- Regular price
- $29.11
- Regular price
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$34.93 - Sale price
- $29.11
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HydroDynamics Ionic PK Boost 1 QuartIonic® PK Boost is formulated to be applied during the final few weeks before harvest of most fruiting and/or flowering crops. It is designed to work with Ionic® Bloom products, but is also compatible with most liquid bloom nutrients. Ionic® Boost delivers the key...
- Regular price
- $18.85
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$22.62 - Sale price
- $18.85
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HydroDynamics Ionic Grow 1 QuartSpecifically formulated for the green vegetative stage of growing plants, Ionic® Grow delivers the essential elements to the roots of a plant in a more precise manner. It is designed to maximize the potential for vigorous vegetative growth in green plants and during the...
- Regular price
- $18.85
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$22.62 - Sale price
- $18.85
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GH General Organics BioRoot 1 Quart
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- $15.86
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$19.03 - Sale price
- $15.86
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CYCO Uptake 1 Liter (OK Label)Cyco Uptake may increase micronutrient uptake in your plants.
- Regular price
- $13.21
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$15.85 - Sale price
- $13.21
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CYCO Silica 1 Liter (OK Label)Cyco Silica benefits include greater tolerance to environmental stresses and improved growth rate.
- Regular price
- $13.85
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$16.62 - Sale price
- $13.85
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CYCO Kleanse 1 Liter (OK Label)Cyco Platinum Series Kleanse is a salt clearing agent that is formulated to solubilize most micronutrients, cationic nutrients or metals in a growing environment. Kleanse can be utilized during the growth and bloom period to clean the root system from accumulated mineral salts. Kleanse...
- Regular price
- $9.89
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$11.87 - Sale price
- $9.89
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CYCO B1 Boost 1 Liter (OK Label)Cyco Platinum Series B1 Boost is an additive used throughout the vegetative and flowering periods of plant growth. Used at higher concentrations in vegetative growth than flowering, B1 Boost contains high amounts of the natural vitamin B1, also known as thiamine. Thiamine is a...
- Regular price
- $26.40
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$31.68 - Sale price
- $26.40
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SILICA BLAST 55 GallonSilicate 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...
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- $1,222.92
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$1,467.50 - Sale price
- $1,222.92
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Botanicare Cal-Mag Plus 5 GallonCal-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...
- Regular price
- $136.88
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$257.59 - Sale price
- $136.88
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Mother Earth LiquiCraft Grow 4-3-3, 5 GallonMother Earth LiquiCraft Grow is a premium foundational liquid plant fertilizer for vegetative plants, flowers and tomatoes. Give your garden the boost it needs, when it needs it most. Using this specially formulated nutrient keeps roots fat and happy during that crucial vegetative growth...
- Regular price
- $148.62
- Regular price
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$178.34 - Sale price
- $148.62
- Unit price
- per
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Mother Earth LiquiCraft Bloom 2-4-4, 5 GallonMother Earth LiquiCraft Bloom is a premium liquid plant fertilizer for blooming plants, flowers and tomatoes. Mother Earth LiquiCraft Bloom 2-4-4 is designed to feed your fruiting and flowering plants during the bloom cycle. It provides nutrients that are essential for fruit and flower...
- Regular price
- $148.62
- Regular price
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$178.34 - Sale price
- $148.62
- Unit price
- per